Subtraction
402+209=
What is 600?
6 x 8
What is 48?
587+385=
What is 1,000?
12 x 12
What is 144?
864-385=
What is 500?
12,105 - 9,205
What is 2,900?
1,565 + 2,432=
What is 4,000?
123,456 + 123,456
What is 246,912?
10,269 + 12,357=
What is 22,000?
3200 x 2
What is 6,400?