Subtraction Rules

When you subtract _____ from any number, the result is the number.

• 10

• 0

• 1

When you subtract any number from itself, the result is _____

• 0

• 10

• 1

Which property describes the problem below... 82-0=82

• Subtraction Rule #1

• Identity Property of Addition

• Subtraction Rule #2

• Commutative Property of Addition

279

269

331

278

• 279

• 269

• 331

• 278

• 239
• 230
• 170
• 160

• 396
• 414
• 596
• 386

Which gives the correct output for 12 and 15?

• 13
  16

• 15
  18

• 9
  12

• 9
  11

Which gives the correct output for 54 and 69?

• 64
  79

• 44
  59

• 44
  60

What is the missing number?

• 12

• 10

• 14

• 13

Each number in Set X goes with one number in Set Y. What is the pattern?

• Add 9

• Subtract 9

• Add 1

• Subtract 1