Natural Numbers

Problem 2001

Encuentra los múltiplos de 33 en el intervalo de 290 a 600.

See Solution

Problem 2002

Escribe los primeros 10 múltiplos de 21: $21, 42, 63, 84, 105, 126, 147, 168, 189, 210$ .

See Solution

Problem 2003

Calculate the following without a calculator, showing all work:
1.1.1 $(69273-6398)+(1701 \div 63)$ 1.1.2 $\sqrt{256}+\sqrt[3]{27}$ 1.1.3 $2 \frac{2}{3}-3 \frac{1}{5}+1 \frac{1}{4}$

See Solution

Problem 2004

David bought 3 presents for \$25, \$22, and \$18. What is the total amount he spent?

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Problem 2005

Calculate the product of 2 and 3: $2 \times 3 =$

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Problem 2006

What is the sum of 5 and 5? Calculate $5 + 5$ .

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Problem 2007

Calculate the product of 20 and 7: $20 * 7$

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Problem 2008

Calcule: $2 \cdot 9 \cdot 5$

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Problem 2009

Calculate $2 \cdot 9 \cdot 5$ and find the result.

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Problem 2010

What does the digit 8 represent in 54,823? A. 8 B. 8,000 C. 800 D. 80

See Solution

Problem 2011

Calculate the sum of 5 and 5: $5 + 5$ .

See Solution

Problem 2012

Calculate the total seconds in 9 hours. Use the formula: $9 \text{ hours} \times 3600 \text{ seconds/hour}$ .

See Solution

Problem 2013

Write the numbers $92,378$ and $428,737$ in words.

See Solution

Problem 2014

Rewrite the second equation with parentheses to show different factor grouping: $4 \times(2 \times 5)=40$ and $4 \times 2 \times 5=40$ .

See Solution

Problem 2015

Divide 4638 by 4 using long division.

See Solution

Problem 2016

What is $10 \times 700$ ?

See Solution

Problem 2017

Estimate the product of 289 and 7.

See Solution

Problem 2018

What is the value of $\sqrt[3]{8}$ ?

See Solution

Problem 2019

Divide 361 by 5.

See Solution

Problem 2020

Divide 128 by 7 using long division.

See Solution

Problem 2021

Divide 173 by 6.

See Solution

Problem 2022

Determine the underlined digit in the numbers $506,087$ , $49,254$ , $814,295$ , and $736,144$ .

See Solution

Problem 2023

Divide 617 by 3 using long division.

See Solution

Problem 2024

How many times is the value of 2 in 2783 vs. 7283? Also, compare the value of 5 in 503,491 to 7 in 26,475.

See Solution

Problem 2025

Compare the place values of '2' in 2,783 and 7,283, and '7' in 503,497 and 26,475. Find the value ratios.

See Solution

Problem 2026

Find the prime factors of 72 and 18 using the ladder method and multiply the factors on the left side.

See Solution

Problem 2027

Convert $124_{6}$ to base ten to find the total number of pens in the box.

See Solution

Problem 2028

Simplify: $\frac{18}{3}=$

See Solution

Problem 2029

Write 26,832 as an expanded form using place values.

See Solution

Problem 2030

Add the numbers 42 and 29. What is the result?

See Solution

Problem 2031

Write 563235 in numerical form.

See Solution

Problem 2032

How many total crayons and markers did Elsa put in the bucket if she has 27 crayons and 23 markers? $27 + 23$

See Solution

Problem 2033

Calculate $15+(16-6) \times 1$ .

See Solution

Problem 2034

Calculate the value of $(18+23+22) \div 9$ .

See Solution

Problem 2035

Calculate the expression: $15 + (16 - 6) \times 1$

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Problem 2036

Wenn Anna täglich 20 Seiten liest, braucht sie 7 Tage. Wie lange bei 5 Seiten pro Tag?

See Solution

Problem 2037

Divide 142 by 5 using long division.

See Solution

Problem 2038

Calculate $6 \times 3 - 18$ after confirming $11 \times 18 = 495$ . What is the result?

See Solution

Problem 2039

Solve the following addition problems:
1. $40+3=$
2. $40+8=$
3. $40+9=$
4. $40+10=$
5. $41+10=$
6. $45+44=$
7. $44+45=$
8. $30+20=$
9. $34+20=$
10. $34+21=$
11. $34+25=$

See Solution

Problem 2040

Calculate the value of $40 \times 638$ . Select the correct answer: A. 24,520 B. 24,220 C. 2,552 D. 25,520

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Problem 2041

Solve: 4 tens + 6 tens, 8 hundreds + 2 hundreds, 5 thousands + 7 thousands. Write answers in standard form.

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Problem 2042

2 thousands + 12 hundreds = $2000 + 1200 = 3200$

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Problem 2043

Mr. Two gave away half his cookies, then 14 more, and had 8 left. How many did he start with?

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Problem 2044

Beregn potenserne uden lommeregner: a) $2^{3}$ , b) $3^{2}$ , c) $2^{4}$ , d) $1^{3}$ , e) $3^{3}$ , f) $2^{1}$ .

See Solution

Problem 2045

Find kvadratroden af tallene med lommeregner: a) $\sqrt{144}=$ , b) $\sqrt{225}=$ , c) $\sqrt{400}=$ , d) $\sqrt{256}=$ , e) $\sqrt{625}=$ , f) $\sqrt{324}=$ .

See Solution

Problem 2046

27. Andrew was asked to solve the problem below.
He estimated a difference of 2000 in working out the problem. Explain why Andrew's estimate may not be reasonable and clearly show your estimate.

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Problem 2047

3. Mariana saved $\$ 80$ from her babysitting job. She wants to buy some shirts and pants that are on sale at her favorite store for $\$ 17$ each. How many items of clothing can she buy?

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Problem 2048

Remember you can use your estimate to check if your answer is reasonable.
Choose a strategy to divide.
1. $4,649 \div 4$
2. $2,843 \div 3$
3. $8,478 \div 6$
4. $6,399 \div 9$
5. $379 \div 2$
6. $3,812 \div 5$
7. $4,793 \div 5$
8. $5,957 \div 7$

See Solution

Problem 2049

2. Gracie took her dog on a walk from 12:03|p.m. to 1:28|p.m. How long was the walk in seconds? (5.MD.A.1) A. 1,700 seconds B. 5,100 seconds C. 1,860 seconds D. 3,780 seconds

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Problem 2050

Find the value of the expression $(7 \cdot 5)+n$ for $n=59$ . $\square$ Submit

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Problem 2051

Find the value of the expression $r \cdot(21-4)$ for $r=3$ . $\square$

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Problem 2052

7 \longdiv { 5 0 5 }

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Problem 2053

5 \longdiv { 2 9 8 }

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Problem 2054

7 \longdiv { 6 0 5 }

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Problem 2055

8 \longdiv { 2 5 8 }

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Problem 2056

Remember a bar diagram can help you write an equation. A paint supplier delivered 1,345 cans of paint to 5 different hardware stores. Each store got the same number of paint cans. How many cans of paint were delivered to each store?
1. How can you use pictures, a bar diagram, and an equation to find the number of paint cans delivered to each store?
2. How can you decide if your answer makes sense?

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Problem 2057

6. Directions for cooking the turkey Mrs. Brewster bought said that it should be in a $400^{\circ} \mathrm{F}$ oven for 4 hours and 35 minutes. If Mrs. Brewster wants to serve the turkey at 11:30 a.m., at what time should she put it into the oven?

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Problem 2058

2. Find the LCM of the following numbers. a. 10, 6 and 4 b. 35,105 and 315

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Problem 2059

11. Quantos acontecimentos elementares existem nos bilhetes de lotaria numerados de 0000 a 3999 ?
A 4001 B 4000 C 3999 D 3998

See Solution

Problem 2060

$\sqrt{4900}$

See Solution

Problem 2061

Question 3: (Santad 6 AMR 6.2) What is the least common multiple (LCM) of 3 and 5? A) 10 B) 9 C) 30 D) 15

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Problem 2062

Come puoi risolvere a mente la moltiplicazione $35 \times 11$ ? Completa la spiegazione usando solo le parole e i numeri necessari.
100 - 10 - moltiplicare • sommare - moltiplicatore • moltiplicando
Per calcolare a mente quando moltiplico in numero per 11, devo $\qquad$ juel numero per $\qquad$ e ggiungere al prodotto ottenuto stesso.

See Solution

Problem 2063

Come puoi risolvere a mente la moltiplicazione $35 \times 11$ ? Completa la spiegazione usando solo le parole e i numeri necessari. $100 \cdot 10$ - moltiplicare $\cdot$ sommare - moltiplicatore • moltiplicando
Per calcolare a mente quando moltiplico un numero per 11, devo quel numero per aggiungere al prodotto ottenuto il. stesso.

See Solution

Problem 2064

Evaluate $\sqrt[4]{16}$ a. 12 C. 4 b. 8 d. 2
Please select the best answer from the choices provided A B C D Mark this and retum Save a

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Problem 2065

Find digits $\triangle$ and $\square$ in $49 \times \triangle 5 = 245$ . What is the sum of these digits?

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Problem 2066

Compute the sum of the values: $x=2, 10, 4$ . What is $\sum x$ ?

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Problem 2067

Find the missing number in the equation: $\times 8 = 48$ .

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Problem 2068

The factory dyed 83 meters of orange silk and 14 meters of yellow silk. What is the total length dyed? Answer: $83 + 14$ meters.

See Solution

Problem 2069

Tony rounded 1,143 and 1,149 to the nearest hundred. Which comparison is correct: $1,100=1,100$ , $1,000=1,000$ , $1,140<1,150$ , or $1,140>1,150$ ?

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Problem 2070

A factory produces 23,550,000 candies monthly. What is this number in standard form? Options: $23,000,000,550$ , $23,550$ , $23,000,550$ , $23,550,000$ .

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Problem 2071

Gemma had \$2,034 and wrote a check for \$625. How much is left in her account? Options: \$1,409, \$1,419, \$2,419, \$2,659.

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Problem 2072

Subtract the whole numbers: $76 - 45$ . What is the result?

See Solution

Problem 2073

Blake counted 57 groups of ten cans. How many cans has he counted? Options: 570, 47, 67, 5,700.

See Solution

Problem 2074

Which expression does not represent $5 + 5 + 5 + 5 + 5$ using multiplication? Options:
1. $5 \div 5$
2. $5 \times 5$
3. 5(5)
4. $5 \cdot 5$

See Solution

Problem 2075

Which option shows the correct product of 22 and 39? $22 \cdot 39 = 858$ $22 \times 39 = 748$ $22 + 39 = 61$ $22 \cdot 39 = 648$

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Problem 2076

Estimate the sum of $24,872 + 651 + 971 + 8,499$ by rounding each number to the nearest hundred.

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Problem 2077

Compare the value of the 6 in the thousands place ( $6000$ ) to the 6 in the hundreds place ( $600$ ).

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Problem 2078

Martha has 30,544 beads. Write this number in expanded form: (A) $30,000+500+4+4$ (B) $3,000+500+40+4$ (C) $30,000+500+40+4$ (D) $30+1,000+500+44$

See Solution

Problem 2079

Show 426,207 in different forms: $426,207=$ thousands + 2 hundreds + tens + 7 ones, $426,207=$ tens, $426,207=$ ones.

See Solution

Problem 2080

Compare the value of the 6 in the thousands place to the 6 in the hundreds place. What is the difference?

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Problem 2081

Find the greatest common factor (GCF) of 6 and 12.

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Problem 2082

Complete each equation with a number:
1. $1.8 \cdot 3 \bar{T}=40$
2. $2.8+\underline{38}=40+1.8$
3. $21 \div \frac{4}{\square}=7$
4. $21-\underline{12}=7$
5. $21 \cdot 2=7$

See Solution

Problem 2083

Estimate the total tires sold over Saturday (392) and Sunday (312) by rounding to the nearest hundred.

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Problem 2084

Find the hottest temperature recorded in degrees Fahrenheit by calculating $13.46 \times 10$ . Justify your method.

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Problem 2085

What is the standard form of 210,064,050?

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Problem 2086

Calculate $4^4$ .

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Problem 2087

Divide 4902 by 86.

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Problem 2088

Find the least common multiple (LCM) of 504 and 357.

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Problem 2089

Calculate the product of 5 and 6: $5 \times 6$ .

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Problem 2090

Calculate the sum of the sequence from 34 to 121: $34 + 35 + 36 + \ldots + 121$ . What is the total?

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Problem 2091

Find the sums of these sequences without formulas: a. $1+2+3+\ldots+69$ b. $1+3+5+\ldots+1609$ c. $5+10+15+\ldots+500$ d. $1000+995+990+\ldots+5$ a. The sum is

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Problem 2092

What is half of 25?

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Problem 2093

What is half of $25$ ?

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Problem 2094

Find the value of $\sqrt{49} = [$ blank $]$ . Enter your answer as a number, like this: 42.

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Problem 2095

Match each perfect square (25, 64, 4) with its roots or "not a perfect square" for 42. Roots: $\pm 2$ , $\pm 5$ , $\pm 8$ , $\pm 7$ .

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Problem 2096

Find the value of $\sqrt{9}$ .

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Problem 2097

Complete the table: Input 12 gives Output 48. Rule: Multiply by 4. Find Outputs for Inputs 18, 24, and 30.

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Problem 2098

You water roses every 6 days and hydrangeas every 5 days. When will you water both again? Use LCM to find the answer.

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Problem 2099

Multiply a 3-digit number by a 2-digit number and show all steps.

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Problem 2100

How much total money did 135 drivers pay if each paid a \ $25 fee? Calculate:$ 135 \times 25$.

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1 ...18 19 20 21 22 23 24 ...28

Natural Numbers

Problem 2001

Encuentra los múltiplos de 33 en el intervalo de 290 a 600.

Problem 2002

Escribe los primeros 10 múltiplos de 21: 21,42,63,84,105,126,147,168,189,21021, 42, 63, 84, 105, 126, 147, 168, 189, 21021,42,63,84,105,126,147,168,189,210.

Problem 2003

Calculate the following without a calculator, showing all work: 1.1.1 (69273−6398)+(1701÷63)(69273-6398)+(1701 \div 63)(69273−6398)+(1701÷63) 1.1.2 256+273\sqrt{256}+\sqrt[3]{27}256​+327​ 1.1.3 223−315+1142 \frac{2}{3}-3 \frac{1}{5}+1 \frac{1}{4}232​−351​+141​

Problem 2004

David bought 3 presents for \$25, \$22, and \$18. What is the total amount he spent?

Problem 2005

Calculate the product of 2 and 3: 2×3=2 \times 3 = 2×3=

Problem 2006

What is the sum of 5 and 5? Calculate 5+55 + 55+5.

Problem 2007

Calculate the product of 20 and 7: 20∗720 * 720∗7

Problem 2008

Calcule: 2⋅9⋅52 \cdot 9 \cdot 52⋅9⋅5

Problem 2009

Calculate 2⋅9⋅52 \cdot 9 \cdot 52⋅9⋅5 and find the result.

Problem 2010

What does the digit 8 represent in 54,823? A. 8 B. 8,000 C. 800 D. 80

Problem 2011

Calculate the sum of 5 and 5: 5+55 + 55+5.

Problem 2012

Calculate the total seconds in 9 hours. Use the formula: 9 hours×3600 seconds/hour9 \text{ hours} \times 3600 \text{ seconds/hour}9 hours×3600 seconds/hour.

Problem 2013

Write the numbers 92,37892,37892,378 and 428,737428,737428,737 in words.

Problem 2014

Rewrite the second equation with parentheses to show different factor grouping: 4×(2×5)=404 \times(2 \times 5)=404×(2×5)=40 and 4×2×5=404 \times 2 \times 5=404×2×5=40.

Problem 2015

Divide 4638 by 4 using long division.

Problem 2016

What is 10×70010 \times 70010×700?

Problem 2017

Estimate the product of 289 and 7.

Problem 2018

What is the value of 83\sqrt[3]{8}38​?

Problem 2019

Divide 361 by 5.

Problem 2020

Divide 128 by 7 using long division.

Problem 2021

Divide 173 by 6.

Problem 2022

Determine the underlined digit in the numbers 506,087506,087506,087, 49,25449,25449,254, 814,295814,295814,295, and 736,144736,144736,144.

Problem 2023

Divide 617 by 3 using long division.

Problem 2024

How many times is the value of 2 in 2783 vs. 7283? Also, compare the value of 5 in 503,491 to 7 in 26,475.

Problem 2025

Compare the place values of '2' in 2,783 and 7,283, and '7' in 503,497 and 26,475. Find the value ratios.

Problem 2026

Find the prime factors of 72 and 18 using the ladder method and multiply the factors on the left side.

Problem 2027

Convert 1246124_{6}1246​ to base ten to find the total number of pens in the box.

Problem 2028

Simplify: 183=\frac{18}{3}=318​=

Problem 2029

Write 26,832 as an expanded form using place values.

Problem 2030

Add the numbers 42 and 29. What is the result?

Problem 2031

Write 563235 in numerical form.

Problem 2032

How many total crayons and markers did Elsa put in the bucket if she has 27 crayons and 23 markers? 27+2327 + 2327+23

Problem 2033

Calculate 15+(16−6)×115+(16-6) \times 115+(16−6)×1.

Problem 2034

Calculate the value of (18+23+22)÷9(18+23+22) \div 9(18+23+22)÷9.

Problem 2035

Calculate the expression: 15+(16−6)×115 + (16 - 6) \times 115+(16−6)×1

Problem 2036

Wenn Anna täglich 20 Seiten liest, braucht sie 7 Tage. Wie lange bei 5 Seiten pro Tag?

Problem 2037

Divide 142 by 5 using long division.

Problem 2038

Calculate 6×3−18 6 \times 3 - 18 6×3−18 after confirming 11×18=495 11 \times 18 = 495 11×18=495. What is the result?

Problem 2039

Solve the following addition problems: 1. 40+3=40+3=40+3= 2. 40+8=40+8=40+8= 3. 40+9=40+9=40+9= 4. 40+10=40+10=40+10= 5. 41+10=41+10=41+10= 6. 45+44=45+44=45+44= 7. 44+45=44+45=44+45= 8. 30+20=30+20=30+20= 9. 34+20=34+20=34+20= 10. 34+21=34+21=34+21= 11. 34+25=34+25=34+25=

Problem 2040

Escribe los primeros 10 múltiplos de 21: $21, 42, 63, 84, 105, 126, 147, 168, 189, 210$ .

Calculate the following without a calculator, showing all work:
1.1.1 $(69273-6398)+(1701 \div 63)$ 1.1.2 $\sqrt{256}+\sqrt[3]{27}$ 1.1.3 $2 \frac{2}{3}-3 \frac{1}{5}+1 \frac{1}{4}$

Calculate the product of 2 and 3: $2 \times 3 =$

What is the sum of 5 and 5? Calculate $5 + 5$ .

Calculate the product of 20 and 7: $20 * 7$

Calcule: $2 \cdot 9 \cdot 5$

Calculate $2 \cdot 9 \cdot 5$ and find the result.

Calculate the sum of 5 and 5: $5 + 5$ .

Calculate the total seconds in 9 hours. Use the formula: $9 \text{ hours} \times 3600 \text{ seconds/hour}$ .

Write the numbers $92,378$ and $428,737$ in words.

Rewrite the second equation with parentheses to show different factor grouping: $4 \times(2 \times 5)=40$ and $4 \times 2 \times 5=40$ .

What is $10 \times 700$ ?

What is the value of $\sqrt[3]{8}$ ?

Determine the underlined digit in the numbers $506,087$ , $49,254$ , $814,295$ , and $736,144$ .

Convert $124_{6}$ to base ten to find the total number of pens in the box.

Simplify: $\frac{18}{3}=$

How many total crayons and markers did Elsa put in the bucket if she has 27 crayons and 23 markers? $27 + 23$

Calculate $15+(16-6) \times 1$ .

Calculate the value of $(18+23+22) \div 9$ .

Calculate the expression: $15 + (16 - 6) \times 1$

Calculate $6 \times 3 - 18$ after confirming $11 \times 18 = 495$ . What is the result?

Solve the following addition problems:
1. $40+3=$
2. $40+8=$
3. $40+9=$
4. $40+10=$
5. $41+10=$
6. $45+44=$
7. $44+45=$
8. $30+20=$
9. $34+20=$
10. $34+21=$
11. $34+25=$

Calculate the value of $40 \times 638$ . Select the correct answer: A. 24,520 B. 24,220 C. 2,552 D. 25,520

2 thousands + 12 hundreds = $2000 + 1200 = 3200$

Beregn potenserne uden lommeregner: a) $2^{3}$ , b) $3^{2}$ , c) $2^{4}$ , d) $1^{3}$ , e) $3^{3}$ , f) $2^{1}$ .

Find kvadratroden af tallene med lommeregner: a) $\sqrt{144}=$ , b) $\sqrt{225}=$ , c) $\sqrt{400}=$ , d) $\sqrt{256}=$ , e) $\sqrt{625}=$ , f) $\sqrt{324}=$ .

27. Andrew was asked to solve the problem below.
He estimated a difference of 2000 in working out the problem. Explain why Andrew's estimate may not be reasonable and clearly show your estimate.

3. Mariana saved $\$ 80$ from her babysitting job. She wants to buy some shirts and pants that are on sale at her favorite store for $\$ 17$ each. How many items of clothing can she buy?

Find the value of the expression $(7 \cdot 5)+n$ for $n=59$ . $\square$ Submit

Find the value of the expression $r \cdot(21-4)$ for $r=3$ . $\square$

6. Directions for cooking the turkey Mrs. Brewster bought said that it should be in a $400^{\circ} \mathrm{F}$ oven for 4 hours and 35 minutes. If Mrs. Brewster wants to serve the turkey at 11:30 a.m., at what time should she put it into the oven?

11. Quantos acontecimentos elementares existem nos bilhetes de lotaria numerados de 0000 a 3999 ?
A 4001 B 4000 C 3999 D 3998

$\sqrt{4900}$

Evaluate $\sqrt[4]{16}$ a. 12 C. 4 b. 8 d. 2
Please select the best answer from the choices provided A B C D Mark this and retum Save a

Find digits $\triangle$ and $\square$ in $49 \times \triangle 5 = 245$ . What is the sum of these digits?

Compute the sum of the values: $x=2, 10, 4$ . What is $\sum x$ ?

Find the missing number in the equation: $\times 8 = 48$ .

The factory dyed 83 meters of orange silk and 14 meters of yellow silk. What is the total length dyed? Answer: $83 + 14$ meters.

Tony rounded 1,143 and 1,149 to the nearest hundred. Which comparison is correct: $1,100=1,100$ , $1,000=1,000$ , $1,140<1,150$ , or $1,140>1,150$ ?

A factory produces 23,550,000 candies monthly. What is this number in standard form? Options: $23,000,000,550$ , $23,550$ , $23,000,550$ , $23,550,000$ .

Subtract the whole numbers: $76 - 45$ . What is the result?

Which expression does not represent $5 + 5 + 5 + 5 + 5$ using multiplication? Options:
1. $5 \div 5$
2. $5 \times 5$
3. 5(5)
4. $5 \cdot 5$