Find the Sum
Addition Fun!
Adding Ones, Then Tens
Wow! Adding Hundreds!
Close Enough!
100
50 + 30=
What is 80
100
33+6 =
What is 39
100
45 +31 =
What is 76
100
342+406=
What is 748
100
Round each addend to the nearest ten. Then find the best estimate. 34+48=
What is 80
200
400+300=
What is 700
200
41+7 =
What is 48
200
24 +61 =
What is 85
200
536+223=
What is 759
200
Round each addend to the nearest ten.Then find the best estimate. 26+57=
What is 90
300
200+600 =
What is 800
300
64+4=
What is 68
300
What is the sum of seventy-six and twenty-one?
What is 97
300
231 and 147 are added. What is the sum?
What is 378
300
Round each addend to the nearest ten. Then find the best estimate. Add 63 and 61. The sum is about ______
What is 120
400
500 +700 =
What is 1,200
400
When 3 is added to 46, what is the sum?
What is 49
400
63+33=
What is 96
400
505+381=
What is 886
400
Round each addend to the nearest ten. Then find the best estimate. 33+39=
What is 70
500
900 +600 =
What is 1,500
500
What is the sum of ninety-four and five?
What is 99
500
What is the sum of forty-four and eleven?
What is 55
500
176 and 212 are added. What is the sum?
What is 388
500
Round each addend to the nearest ten. Then find the best estimate. The sum of 11 and 14 is about _____.
What is 20
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