Savvas Topic 1 Unit Review: Understanding Place Value

Understanding Place Value

Savvas: Topic 1 Unit Review

Patterns with Exponents & Powers of 10

Multiple Select

Which equations are true? Choose all that are correct.

• 10 × 10 × 10 × 10 × 10 = 50

• 10 × 10 × 10 × 10 × 10 = 10⁵

• 10 × 10 × 10 × 10 × 10 = 10,000

• 10 × 10 × 10 × 10 × 10 = 100,000

• 10 × 10 × 10 × 10 × 10 = 5 × 10⁵

Multiple Choice

Jack reads his book for 8 minutes before school and 10 minutes after school. He attends school Monday through Friday. Which equation shows how many minutes Jack reads his book in two weeks?

• (8 × 5) + (10 × 5) = 40 + 50 = 90 minutes

• (8 × 8) + (10 × 10) = 64 + 100 = 164 minutes

• (8 × 10) + (10 × 10) = 80 + 100 = 180 minutes

• (8 × 14) + (10 × 14) = 112 + 140 = 252 minutes

Multiple Select

Choose Yes or No to tell if the equation is true.

9 × 103 = 9 × 1,000

• Yes

• No

Multiple Select

Choose Yes or No to tell if the equation is true.

3 × 10,000 = 30,000

• Yes

• No

Understand Whole Number & Place Value

Multiple Choice

Venus is approximately 67,000,000 miles from the Sun. Earth is approximately 26,000,000 miles from Venus.

Approximately how many miles is Earth from the Sun?

• Ninety-three million

• Ninety-three thousand

• Nine hundred thirty million

• Nine hundred thirty thousand

Multiple Choice

Which is true of the number 55,555?

• Each digit has a value less than the value of the digit to its right and greater than the value of the digit to its left.

• Each digit has a value 10 times the value of the digit to its right and 10 times the value of the digit to its left.

• Each digit has a value 1/10 of the value of the digit to its right and 10 times the value of the digit to its left.

• Each digit has a value 10 times the value of the digit to its right and 1/10 of the value of the digit to its left.

Decimals to Thousands

Multiple Choice

How is 0.008 written as a fraction?

• 8/1000

• 8/100

• 8/10

• 8/1

Multiple Choice

Select a number to make the following statement true.

0.07 is 10 times as great as

• 0.1

• 0.7

• 0.001

• 0.007

Multiple Select

Choose True or False for each statement.

0.005 is 1/10 of 0.05

• True

• False

Multiple Select

Choose True or False for each statement.

0.19 is 10 times as great as 0.019

• True

• False

Multiple Select

The fraction 23/100 is equivalent to 0.023.

• True

• False

Understanding Decimal Place Value

Multiple Choice

Every day after her daily walk, Dena drinks 1.06 liters of water. Which decimal is equivalent to 1.06?

• 1.6

• 1.600

• 1.060

• 1.006

Multiple Choice

A green sea turtle weighs 355.3 kilograms. What is the word form of this number?

• three hundred fifty-three tenths

• three hundred fifty-five and three tenths

• three hundred five and three tenths

• three hundred fifty and three tenths

Multiple Choice

How is 80.106 written in expanded form?

• (8 x 10) + (1 x 1/10) + (6 x 1/100)

• (8 x 10) + (1 x 1/10) + (6 x 1/1000)

• (8 x 10) + (1 x 1/100) + (6 x 1/1000)

• (8 x 10) + (1 x 1/100) + (6 x 1/10,000)

Multiple Select

Which decimals are equivalent to (5 x 10) + (2 x 1/100)

• 50.020

• 50.002

• 5.02

• 50.20

• 50.02

Compare Decimals

Multiple Choice

Which numbers are in order from least to greatest?

• 0.561, 8.627, 5.325

• 4.057, 4.122, 5.008

• 1.742, 1.558, 1.671

• 6.705, 6.527, 6.211

Multiple Choice

Which symbol makes the comparison true?

0.74 _0.740

• <

• >

• =

Multiple Select

Which decimals are less than 2.312?

Choose all that apply.

• 2.311

• 2.4

• 2.32

• 2.31

Round Decimals

Multiple Choice

Round the number to the place of the underlined digit.

0.758

• 0.75

• 0.8

• 0.76

• 0.7

Multiple Select

Which numbers round to 7.91 when rounded to the nearest hundredth?

Choose all that apply.

• 7.914

• 7.905

• 7.901

• 7.915

• 7.909