Find each product mentally
Estimate by rounding or compatible numbers
Multiply
Write the prime factorization
Word problems
100
1200 x 7
1400
100
79 x 21
80 x 20 = 1600
100
85 x 46
3910
100
Write the prime factorization of 70
2 x 5 x 7
200
400 x 9
3600
200
8 x 41
8 x 40 = 320
200
7 x 567
3969
200
50
2 x 5 x 5 or 2 x 5^2
300
12 x 800
9600
300
38 x 59
40 x 60 = 2400
300
730 x 12
8760
300
Write the prime factorization of 96 using exponents
2^5 x 3
300
Apris has 196 stickers. Meredith has 3 times as many stickers. Use rounding to estimate the number of stickers that Meredith has.
about 600
400
7 x 10^3
7000
400
32 x 81
30 x 80 = 2400
400
84 x 107
8988
400
Write the prime factorization of 125 using exponents
5^3
400
Regina reads 32 pages of a book each night. How many pages will she read in 5 days?
160 pages
500
Each side of a cube-shaped box measures 8 feet. To find the volume, multiply the length times the width times the height. Express the amount of space inside as a power and then find the amount in cubic feet
8^3 ; 512
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