Number Sense Review Lesson

​Number Sense Review Lesson Week 1 - with quiz questions...

Multiple Choice

Write 7/100 as a decimal

• 0.07

• 0.7

• 7.0

• 70

Multiple Choice

13/1000

• 1.03

• 0.103

• 0.013

• 0.13

Multiple Choice

Write the following fraction as a decimal

45/50

• 0.09

• 0.9

• 0.5

• 0.45

Multiple Choice

Write the following fraction as a decimal

7/8

• 0.75

• 0.125

• 0.07

• 0.875

​Ordering fractions and decimals

​Rewrite in a common form

You can change all fractions to decimals or change all decimals to fractions. That will allow you to compare the values more easily.​

Remember to check that the order is correct at the end.​

Multiple Choice

Which fraction goes in the blank so that this list is in order from least to greatest?

$$\frac{1}{4}\ ,\ 0.4,\ _{ }$$  _____ $$\frac{2}{3}\ ,\ \ 0.75$$  

• $$\frac{1}{5}$$  

• $$\frac{1}{2}$$  

• $$\frac{5}{6}$$  

• $$\frac{7}{8}$$  

Example #1​

Example #1​

Example #1​

Multiple Choice

When converting  $$0.\overline{78}$$  to a fraction, how many 9's should go in the denominator?

• 78

• 2

• 7

• 8

Multiple Choice

Convert  $$0.\overline{78}$$  to a fraction.

• $$\frac{78}{99}$$  

• $$\frac{26}{33}$$  

• $$\frac{78}{7878}$$  

• $$\frac{78}{100}$$  

Multiple Choice

When converting  $$0.\overline{2}$$  to a fraction, how many 9's should go in the denominator?

• 1

• 2

• 0

• 3

Multiple Choice

Convert  $$0.\overline{2}$$  to a fraction.

• $$\frac{2}{10}$$  

• $$\frac{2}{9}$$  

• $$\frac{2}{99}$$  

• $$\frac{1}{5}$$  

Multiple Choice

When converting  $$0.\overline{24545}$$  to a fraction, how many 9's should go in the denominator?

• 45

• 2

• 5

• 24,545

• 245

Multiple Choice

Convert  $$0.\overline{24545}$$  to a fraction.

• $$\frac{24545}{99999}$$  

• $$\frac{24545}{99}$$  

• $$2\frac{45}{99}$$  

• $$\frac{24545}{100,000}$$  

Fill in the Blanks

$Write\ 0.8\overline{2}\ as\ a\ fraction\ in\ simplest\ form.$  

Fill in the Blanks

$Write\ 0.3\overline{65}\ as\ a\ fraction\ in\ simplest\ form.$  

Multiple Choice

Find 5²

• 15

• 25

• 20

• 10

Multiple Choice

Find 10²

• 100

• 20

• 200

• 10

Multiple Choice

Find 8²

• 68

• 64

• 16

• 56

Square Roots

Multiple Select

$$\sqrt{49}$$  

• 7

• 8

• -7

• 6

Multiple Select

$$\sqrt{400}$$  

• 20

• 100

• $$\pm$$ 2

• -20

Multiple Choice

$$\sqrt{144}$$  

• $$\pm11$$

• $$\pm13$$

• $$\pm12$$

• 12

Multiple Select

Select all of the "perfect cube" numbers below:

• 1

• 2

• 8

• 9

• 27

Cubes

Multiple Choice

What is the cube root of 8

• 2

• 4

• 6

• 8

Fill in the Blanks

$\sqrt[3]{-343}=$