Equivalent Expressions

Front

Which number sentence is true?
Options:

3 × 5 ≠ 5 × 3

,

4 × 7 ≠ 7 × 4

,

5 × 9 ≠ 9 × 4

,

3 × 6 ≠ 6 × 3

Back

3 × 5 ≠ 5 × 3

Front

Which equation is not true?

50 ÷ 5 = 30 ÷ 3

,

72 ÷ 8 = 63 ÷ 7

,

144 ÷ 12 = 90 ÷ 6

,

81 ÷ 9 = 49 ÷ 7

Back

144 ÷ 12 = 90 ÷ 6

Front

Which equation is not true?
Options:

60 × 2 = 130 - 10

,

60 × 2 = 140 - 20

,

60 × 2 = 120 + 10

,

60 × 2 = 150 - 30

Back

60 × 2 = 120 + 10

Front

Which equation is true?
Options:

10 + 25 = 200 ÷ 4

,

10 + 15 = 160 ÷ 5

,

10 + 15 = 100 ÷ 2

,

10 + 15 = 125 ÷ 5

Back

10 + 15 = 125 ÷ 5

Front

Which equation is not true?
Options:

55 × 2 = 120 - 10

,

50 × 2 = 110

,

55 × 2 = 100 + 10

,

55 × 2 = 105 + 5

Back

50 × 2 = 110

Front

Which equation is true?
Options:

40 ÷ 5 = 63 ÷ 7

,

64 ÷ 8 = 81 ÷ 9

,

56 ÷ 7 = 42 ÷ 6

,

72 ÷ 9 = 90 ÷ 10

Back

64 ÷ 8 = 81 ÷ 9

Front

Which number sentence is correct?
Options:

15 + 5 ≠ 40 ÷ 2

,

10 - 2 ≠ 24 ÷ 3

,

9 + 3 ≠ 36 ÷ 4

,

14 + 6 ≠ 40 ÷ 2

Back

9 + 3 ≠ 36 ÷ 4

Front

Which number sentence is correct?
Options:

30 ÷ 3 ≠ 45 ÷ 5

,

50 ÷ 5 ≠ 60 ÷ 6

,

18 ÷ 2 ≠ 30 ÷ 3

,

56 ÷ 7 ≠ 48 ÷ 6

Back

18 ÷ 2 ≠ 30 ÷ 3

Front

Which number sentence is correct?
Options:

20 + 5 ≠ 50 ÷ 2

,

8 + 2 ≠ 40 ÷ 4

,

7 + 3 ≠ 20 ÷ 2

,

12 + 9 ≠ 40 ÷ 2

Back

12 + 9 ≠ 40 ÷ 2

Front

Which number sentence is correct?
Options:

20 ÷ 4 ≠ 30 ÷ 5

,

24 ÷ 3 ≠ 16 ÷ 2

,

45 ÷ 5 ≠ 36 ÷ 4

,

18 ÷ 3 ≠ 12 ÷ 2

Back

20 ÷ 4 ≠ 30 ÷ 5