Equivalent Mathematical Relationships (EMR)1

Which of the number sentences below make this equation true?

15 + 14 = _____________

• 30 - 1

• 5 x 6

• 40 - 12

• 3 x 4

Which of the number sentences below make this equation true?

6 x 10 = _____________

• 70 - 1

• 8 x 2

• 25 + 35

• 5 x 8

Which of the number sentences below make this equation true?

40 ÷ 10 = _____________

• 10 + 4

• 5 x 4

• 40 x 0

• 10 - 6

Use the appropriate symbol  $=$   or  $\ne$ 
12 x 2  ______  4 x 10

•  $=$  

•  $\ne$  

Use the appropriate symbol  $=$   or  $\ne$ 
32 + 14 ____ 2 x 23

•  $=$  

•  $\ne$  

Use the appropriate symbol  $=$   or  $\ne$ 
30  $\div$ 3 ____ 5 x 3

•  $=$  

•  $\ne$  

Use the appropriate symbol  $=$   or  $\ne$ 
146 - 81  ____  47 + 18

•  $=$  

•  $\ne$  

Use the appropriate symbol  $=$   or  $\ne$ 
24 x 2 ____ 50 + 2

•  $=$  

•  $\ne$  

Which number sentence is true?

• 4 x 1  $\ne$   10 - 6

• 34 - 6 = 7 x 5

• 25   $\div$  5 = 13 - 8

• 23 - 6  $\ne$   10 + 7

Which number sentence is true?

• 14 - 7 = 14 $\div$ 7

• 22 + 8 = 6 x 5

• 7 + 6 $\ne$ 10 + 3

• 19 + 5 $\ne$ 12 x 2