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Addition
Subtraction
Addition Replace
Subtraction Replace
100
Add 25 +10.
What is 35?
100
Subtract 63 - 10.
What is 53?
100

Add 12 + 19

What is 31?

100

Subtract 21 - 13

What is 8?

200
Add 49 + 30.
What is 79?
200
Subtract 85 - 70.
What is 15?
200

Add 23 + 39

What is 62?

200

Subtract 34 - 18

What is 16?

300
Add 46 + 5.
What is 51?
300
Subtract 85 - 41.
What is 44?
300

Add 67 + 37

What is 104?

300

Subtract 57 - 19

What is 38?

400
Add 28 + 9.
What is 37?
400
Subtract 67 - 24.
What is 43?
400

Add 86 + 31

What is 117?

400

Subtract 81 - 8

What is 73?

500
Add 44 + 35.
What is 79?
500
Subtract 73 - 23?
What is 50?
500

Add 115 + 95

What is 210?

500

Subtract 91 - 64

What is 27?