Estimating Square roots

Front

Back

9 and 10

Front

Back

17 and 18

Front

Back

-4 and -5

Front

Back

-12 and -13

Front

Back

6 and 7

Front

Back

-15 and -16

Front

Back

10.4

Front

Back

-19.3

Front

Back

7.8

Front

In between what two integers is the square root of 77? Options: 5 and 6, 6 and 7, 7 and 8, 8 and 9

Back

8 and 9