Savvas Topic 1 Unit Review: Understanding Place Value

Understanding Place Value

Savvas: Topic 1 Unit Review

Patterns with Exponents & Powers of 10

Fill in the Blanks

What is the product 7 × 10⁶? Enter your answer in the box.

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

Fill in the Blanks

Write 30,000 + 80 + 2 in standard form. Enter your answer in the box.

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

Fill in the Blanks

Write the number 270,950 in expanded form.

Fill in the Blanks

Ava is thinking of a number described below.

The value of the digit in the hundreds place is 100.

The value of the digit in the ones place is 3.

The value of the digit in the thousands place is 4,000.

The value of the digit in the tens place is 70.

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

Fill in the Blanks

How is 41/1000 written as a decimal?

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

Fill in the Blanks

What is 19.5 rounded to the nearest whole number?

Enter your answer in the box.

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

Fill in the Blanks

What is $24.279 rounded to the nearest penny?