Addition
Subtraction
Word Problems
Missing Numbers
Challenge
100
15 + 64 = ____
What is 79
100
89 - 45 = ____
What is 44
100
This algorithm allows you to check the answer to 72 + 45 = 117.
What is 117 - 45 = 72
100
14 + ____ = 25
What is 11
100

$12.35 + $5.83 = _____

What is $18.18

200
745 + 938 = ____
What is 1,683
200
138 - 29 = ____
What is 109
200
Liliana has 52 stamps, Joseph has 19 stamps and Garrett has 83 stamps. How many stamps do they have altogether?
What is 154
200
___ + 18 = 34
What is 16
200
$15.00 - $4.39 = _____
What is $10.61
300
634 + 314 + 482 = _____
What is 1,430
300
803 - 375 = ____
What is 425
300
Meredith sold 150 fundraiser items. Bethany sold 68. How many more did Meredith sell than Bethany?
What is 82
300
___ - 37 = 15
What is 52
300
61.3 + 4.35 = _____
What is 65.65
400
5,027 + 34,918 = ______
What is 39,945
400
3,000 - 746 =
What is 2,254
400
There are 1,045 books in the library. Joe's mom donated 15 more books. How many books are in the library now?
What is 1,060
400
56 - ___ = 19
What is 36
400
17.89 - 5.4 = ____
What is 12.49
500
82,047 + 37,921 = ______
What is 119,968
500
1,003 - 850 = ____
What is 153
500
Emily has $25.50 and Simeon has $32.75 cents. If they put their money together, how much money will they have?
What is $58.25
500
____ - 64 = 114
What is 178
500
$50.00 - 17.99 = _____
What is $32.01
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