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Estimating Sums
Missing Addends
Find the Sum
Vocabulary
Triple Addends
100
The estimated sum of 45 + 93
What is 140
100
7 + ____ = 16
What is 9
100
41 + 37 = ?
What is 78
100
A number that is added to find the sum
What is an addend
100
The sum of 12 + 31 + 54 = ?
What is 97
200
The estimated sum of 347 + 33
What is 330.
200
____ + 16 = 23
What is 7
200
78 + 65 = ?
What is 143
200
The number you get when adding numbers
What is sum
200
The sum of 23 + 45 + 88
What is 156
300
The estimated sum of 462 + 416
What is 900
300
30 + _____ = 70
What is 40
300
419 + 560 = ?
What is 979
300
To name a number in a different way
What is regroup
300
628 + 76 + 97
What is 801
400
The estimated sum of 2,774 + 247
What is 3,200
400
____ + 400 = 900
What is 500
400
724 + 412 = ?
What is 1,136
400
The operation performed when you combine two or more groups
What is addition
400
308 + 211 + 430
What is 949
500
The estimated sum of 3,459 + 5,539
What is 9,000
500
____ + 600 = 1,300
What is 700
500
1,225 + 8,313 = ?
What is 9,538
500
A step-by-step process in order to solve a problem starting in the ones place, then moving left to the tens place, and then to the hundreds place.
What is algorithm
500
1,017 + 421 + 23
What is 1,461