Estimating Roots of Irrational Numbers

Point B could represent which of the following numbers?

• √24

• √30

• √35

• √42

Round to the nearest tenth: √13.

• 5.6

• 2.6

• 3.9

• 3.6

Round to the nearest tenth: √7.

• 3.5

• 2.7

• 2.8

• 14

Ms. Fausel wrote four irrational numbers on the Promethean board and asked Saul to choose the number closest to 4. Which irrational number should Saul choose?

• √8

• √17

• √12

• √10

Between which two whole numbers does the √32 fall?

• 4 and 5

• 5 and 6

• 6 and 7

• 7 and 8

Between what two whole numbers does the √449 fall?

• 19 and 20

• 20 and 21

• 21 and 22

• 22 and 23

Between which two whole numbers does the √150 fall?

• 11 and 12

• 12 and 13

• 11 and 13

• 13 and 14

√64

• 3

• 8

• 7

• 6

Between which two square roots does the √43 fall?

• √36 and √49

• √40 and √49

• √25 and √49

• √42 and √44

Between which two whole numbers does the √22 fall?

• 3 and 5

• 3 and 4

• 4 and 5

• 5 and 6