Unit 2- Decimals Review

Multiple Choice

What is 4.67 written in expanded form?

• 4 + 0.6 + 0.07

• 4 + 6 + 7

• 4 + 0.6 + 0.7

• 4 + 0.6 + 0.007

Decimal Forms

• Standard form- 45.6

• Word Form- forty five AND six tenTHS

• Expanded Form- 40 + 5 + 0.6

Unit 2- Decimals Review

Learning Target- Students will review decimal forms, addition and subtraction, comparisons, and rounding to prepare for the unit test.

Multiple Choice

Write 354.6 in word form.

• three hundred fifty four point six

• three hundred fifty four and six tenths

• three thousand five hundred forty six

• three five four point six

Addition and Subtraction

• Line up the decimals.

• If their are gaps at the end fill them in with 0 placeholders.

• Pay attention to the sign, + or -.

• Don't forget to bring the decimals straight down.

Multiple Choice

Add 4.56 + 3.45

• 1.11

• 801

• 8.01

• 8.07

Multiple Choice

45.7 - 6.45 =

• 39.25

• 110.2

• 11.02

• 3925

Multiple Choice

Lina is making curtains and a decorative pillow for her bedroom. She needs 0.8 meter of cloth for the pillow and 5.39 meters for the curtains. How much cloth does she need in all?

• 5.57m

• 6.19m

• 5.47m

• 6.29m

Multiple Choice

Natasha has a large collection of books. The thickest book measures 5.9 centimeters. The thinnest book measures 0.38 centimeters. What is the difference in thicknesses of those two books?

• 5.52m

• 0.21m

• 5.2m

• 5.42m

Comparing

• Which decimal is greater?

• Line up the decimals and compare digits beginning on the left

Multiple Choice

<, >, = 8.34 and 8.39

• <

• >

• =

Multiple Choice

<, >, = 0.20 and 0.02

• <

• >

• =

Multiple Choice

<, >. = 0.050 and 0.05

• <

• >

• =

Rounding

• Find the place value that you are rounding to tenths, hundredths, thousandths, etc. and underline it.

• Look at the digit to the right, is it a strong boss (5 or higher)? Round up. The underlined digit goes up 1.

• Is it a weak boss (less that 5)? The underlined digit stays the same.

Multiple Choice

Round 4.65 to the nearest tenth.

• 4.6

• 4.7

• 4.8

• 4.0

Multiple Choice

Round 65.9 to the nearest whole number (ones place).

• 70

• 65.0

• 66.0

• 60

Open Ended

Name one skill that you need to practice some more before our test this week. Are comparison problems a little tricky still? How about rounding? Should you spend some more time practicing? Adding and subtracting? Decimal forms?