Partial Products
Lattice
Estimating & Rounding
Decimals
Surprise Me!
100
5 X 46
What is 230
100
75 X 5
What is 375
100
Round these numbers, write a number model, and find the estimated sum: 368 + 835
What is 400 + 800 = 1,200
100
9.5 + 4.3
What is 13.8
100
Round this number to the nearest thousand: 43,683
What is 44,000
200
47 X 7
What is 329
200
4 X 59
What is 236
200
Round the numbers, write a number model, and find the estimated sum: 613 + 984 + 467
What is 600 + 1,000 + 500 = 12,000
200
7.9 - 5.7
What is 2.2
200
Round to the nearest ten-thousand: 5,368,904
What is 5,370,000
300
34 X 51
What is 1,734
300
35 X 87
What is 3045
300
Round the numbers, write a number model, and find the estimated sum: 32 + 673 + 934
What is 30 + 700 + 900 = 1,630
300
3.47 + 4.15
What is 7.62
300
Round to the nearest hundred: 54,532
What is 54,500
400
243 X 3
What is 729
400
48 X 93
What is 4464
400
Round the numbers, write a number model, and find the estimated product: 63 X 54
What is 60 X 50 = 3000
400
16.28 - 2.9
What is 13.38
400
Round the numbers, write a number model, and find the product: 354 X 37
What is 400 X 40 = 16,000
500
534 X 68
What is 36,312
500
759 X 27
What is 20,493
500
Round the numbers, write a number model, and find the estimated product: 45 X 37
What is 50 X 40 = 2,000
500
53.94 - 8.6
What is 45.34
500
Round the numbers, write a number model, and find the product: 57 X 83
What is 60 X 80 = 4,800
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