Rational/Irrational + Roots Review

Rational OR Irrational

10

Is -19 a rational number?

Yes

20

Is 4/7 rational or irrational? Explain.

Rational, it is a fraction.

30

Is 3.141596128... rational?

No, there is no repeating pattern

40

Is 44.5 rational or irrational? Explain.

Rational, terminating decimal

50

Is 31.787878... rational or irrational? Explain.

Rational, it is a repeating decimal

Square and Cube Roots

10

\sqrt4

2

20

\sqrt25

5

30

root(3)(27

3

40

\sqrt(256)

16

50

root(3)(343)

7

Squares and Cubes

10

What is the AREA of a square with side = 6?

36

20

What is the SIDE of a square with area = 49

7

30

What is the SIDE of a square with area = 121

11

40

What is the VOLUME of a cube with side = 3

27

50

What is the SIDE of a cube with volume = 216

6

Between what two numbers?

10

What 2 whole numbers does the square root of 11 lie between?

3 and 4

20

What 2 perfect squares does the square root of 47 lie between?

36 and 49

30

What 2 whole numbers does the square root of 92 lie between?

9 and 10

40

What 2 whole numbers does the square root of 248 lie between?

15 and 16

50

What 2 perfect squares does the square root of 95 lie between?

81 and 100

True or False

10

All square roots are irrational.

False

(\sqrt(16)=4)

20

Free Throw Challenge:

One person gets nominated from your team

Made basket =get an extra +20 points

Free Throw Challenge:

One person gets nominated from your team

Made basket =get an extra +20 points

30

Integers are irrational numbers

False

40

The square root of a number is what number times itself makes the number inside. 

True

50

Most cube roots are rational

False, most are irrational