Across Zero
Close Enough
Multiple of 10
Division
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

40 / 8 = ?

What is 50?

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

2400 / 4 = ?

What is 600?

200

5,200 x 9

What is 46,800?

300

30 x 100

What is 300

300
Estimate 82 x 78
What is 6,400
300
107 x 30
What is 3,210
300

560 / 8 = ?

What is 70?

300

2,000,000 x 100

What is 200,000,000?

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

4200 / 70 = ?

What is 60?

400

6,000,000 / 1,000 = ?

What is 6,000?

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

4000 / 80 = ?

What is 50?

500

55,000,000 / 500 = ?

What is 110,000?