3 Digit Addition
3 Digit Subtraction
Equations
Patterns
100
89 + 74
163
100
44 - 35
9
100
Is this equation true or false?
8+4 = 12-1
false
100
What is the rule of this pattern?
7, 14, 21, 28, 35....
add 7
200
475 + 55
530
200
456 - 27
429
200
Is this equation true or false?
14-5 = 3+7
false
200
What is the rule for this pattern?
56, 50, 44, 38, 32.....
subtract 6
300
193 + 466
659
300
523 - 154
369
300
What number makes the equation true?
2+9 = 12 - ___
1
300
What are the next three shapes of this pattern?
00>0>00>0>00>0
>00
400
232 + 648
880
400
905 - 254
651
400
What number makes the equation true?
15-__ = 3+5
7
400
What numbers are in the three boxes?
13, 17, 19
500
422 + 739
1,161
500
500 - 354
146
500
What number makes the equation true?
__ + 5 = 13-4
4
500
What numbers are in the three boxes?
3, 8, 11