? = What? Fill It in! Estimate the Sum!
100
What is 10
2 x ? = 20
100
What is 29
19 + 10 = ____
100
What is 400
Estimate 203 + 203
200
What is 63
9 x 7 = ?
200
What is 10
13 + ____ = 23
200
What is 600
Estimate 416 + 201
300
What is 5
? x 7 = 35
300
What is 20
10 + ____ = 34
300
What is 800
Estimate 591 + 200
400
What is 48
6 x 8 = ?
400
What is 300
100 + ____ = 400
400
What is 900
Estimate 500 + 400 =
500
What is 49
7 x 7 = ?....Won't you be my Valentine?
500
What is 20
34 + ____ = 54
500
What is 1,000
Estimate 111 + 909 =






Aaden

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