Across Zero
Close Enough
Multiple of 10
Let's Do It!
The Big Stuff
100
7 x 10
What is 70
100
Estimate 6 x 24
What is 120
100
20 x 25
What is 500
100
37 x 17
What is 629
100
1,000 x 1,000
What is 1,000,000
200
20 x 10
What is 200
200
Estimate 42 x 56
What is 2,400
200
85 x 40
What is 3,400
200
98 x 54
What is 5,292
200
5,200 x 43
What is 223,600
300
3 x 100
What is 300
300
Estimate 82 x 78
What is 6,400
300
107 x 30
What is 3,210
300
102 x 33
What is 3,366
300
417 x 843
What is 351,531
400
50 x 100
What is 5,000
400
Estimate to the nearest hundred 101 x 210
What is 20,000
400
954 x 70
What is 66,780
400
926 x 63
What is 58,338
400
6,019 x 370
What is 2,227,030
500
600 x 7,000
What is 4,200,000
500
Estimate to the nearest hundred 562 x 346
What is 180,000
500
2,397 x 600
What is 1,438,200
500
5,294 x 81
What is 428,814
500
5784 x 438
What is 2,533,392
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