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multiplying by 1 digit
estimating
multiplying by 2 digit
exponents
real-world problems
100
227 X 3
681
100
Estimate 84 x 21
What is 80 x 20 = 1,600
100
234 X 75
17,550
100
solve 3 x 10³
What is 3,000
100

If Stella travels an average of 64 miles per hour in her red sports car, how far will she go if she drives for 4 hours?

256 miles

200
459 X 4
1,836
200
Estimate 76 x 32
What is 80 x 30 = 2,400
200
154 X 35
5,390
200
6,471 x 10¹
What is 64,710
200

A fabric store sells cotton for $6 per yard. Wes will need 32 yards to redecorate his bedroom. How much will he pay for the fabric?

$192

300
705 X 9
6,645
300
Estimate 104 x 78
What is 100 x 80 = 8,000
300

5021 X 33

165,693

300
17 x 10²
What is 1,700
300

At a baseball game there were 37 rows of bleachers, there were 28 people sitting in each row. How many people were in the 37 rows of bleachers?

1,036 people

400
552 X 6
3,312
400
Estimate 92 x 43
What is 90 x 40 = 3,600
400
483 X 57
27,531
400
12 x 10⁴
What is 120,000
400

Cakes at the store cost $36 for a small cake, $46 for a medium cake, and $56 for a large cake. The baker sold 10 small cakes and 5 medium cakes in one week. How much money did the baker make that week from cakes?

$590

500
826 X 3
2,478
500
Estimate 127 x 49
What is 130 x 50 = 6,500
500

2820 X 19

5,3580

500
5 x 10⁵
What is 500,000
500

Shay is building a rectangular Minecraft world. The patio she is building will be 18 bricks wide and 29 bricks long. She has 500 bricks. Does she have enough bricks to build the patio? Explain and show your work.

No, because 18 X 29 = 522, she will be short 22 bricks.