Name
Grade
School

Date
Questions10
Score

example

( 10 x 10 ) - ( 11 x 11 )

=

10 + 11

=

1

( 82 x 82 ) - ( 81 x 81 )

=

=

2

( 36 x 36 ) - ( 35 x 35 )

=

=

3

( 39 x 39 ) - ( 38 x 38 )

=

=

4

( 86 x 86 ) - ( 85 x 85 )

=

=

5

( 51 x 51 ) - ( 50 x 50 )

=

=

6

( 11 x 11 ) - ( 10 x 10 )

=

=

7

( 3 x 3 ) - ( 2 x 2 )

=

=

8

( 46 x 46 ) - ( 45 x 45 )

=

=

9

( 27 x 27 ) - ( 26 x 26 )

=

=

10

( 54 x 54 ) - ( 53 x 53 )

=

=

Answers Key

1

( 82 x 82 ) - ( 81 x 81 )

=

82 + 81

=

2

( 36 x 36 ) - ( 35 x 35 )

=

36 + 35

=

3

( 39 x 39 ) - ( 38 x 38 )

=

39 + 38

=

4

( 86 x 86 ) - ( 85 x 85 )

=

86 + 85

=

5

( 51 x 51 ) - ( 50 x 50 )

=

51 + 50

=

6

( 11 x 11 ) - ( 10 x 10 )

=

11 + 10

=

7

( 3 x 3 ) - ( 2 x 2 )

=

3 + 2

=

8

( 46 x 46 ) - ( 45 x 45 )

=

46 + 45

=

9

( 27 x 27 ) - ( 26 x 26 )

=

27 + 26

=

10

( 54 x 54 ) - ( 53 x 53 )

=

54 + 53

=