Product of Primes
Power of 10
Fractions
Rounding
Word Problems
100

write 84 as a product of prime numbers

22 x 3 x 7

100

4,162 x 100

416,200

100

reduce 2/4 

1/2

100

round 0.0423 to the nearest thousandth

0.042

100

The Duke counted 5,260 people. Then the Duchess counted 4,720 people. How much greater was the Duke's count?

540 people

200

write 120 as a product of prime numbers

23 x 3 x 5

200

41.32 / 1,000

0.04132

200

write 3/10 as a decimal

0.3

200

round 4057.2138362 to two decimal places

4057.21

200
Rita had nine thousand, thirty-five items in her basement. Then she found one thousand, forty-six more items. How many items did she find?

10,081 items

300

write 640 as a product of prime numbers

27 x 5

300

73.416 / 10,000

0.0073416

300

find 3/7 of 42

18

300

round 212.0165725 to the nearest ten-thousandth's place

212.0166

300
Hundreds of knights came to the tournament. Then four hundred twenty knights went home. Seven hundred fifty-six knights remained. How many knights came to the tournament?

1,176 knights

400

write 1260 as a prime number

22 x 32 x 5 x 7

400

0.031652 x 100,000

3,165.2

400

solve 4/5 ÷ 10/5

2/5

400

round 416.042737 to the nearest hundred-thousandth

416.04274

400
Zechariah brought $25.17 with him to the fifth annual carnival of finger painting. He left with $8.56. How much money did he spend at the carnival?

$16.61

500

write 2520 as a product of prime numbers

23 x 32 x 5 x 7

500

968.347 / 1,000,000

0.000968347
500

solve 26/90 x 24/25 ÷ 4/15

26/25

500

round 14.1193162795 to the nearest hundred-thousandth

114.11932

500

In all, there were two million, three hundred thousand, six hundred nineteen people in the city. If one million, two hundred nineteen thousand, three hundred twelve of them were adolescents, how many were not adolescents? 

1,081,307 people

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