Module 1 Review

Comparing Decimals

100

Which is larger: one tenth or one hundredth?

One tenth

200

8.6 ⚪ 8.60

Equal to (=)

300

2 tenths + 11 hundredths ⚪ 0.13

Greater than (>)

400

(2 x 10²) + (1 x 1) + (6 x 1⁄10)  ⚪ (2 x 10²) + (1 x 10) + (6 x 1⁄10)

Less than (<)

500

Compare:

2 + (31 x ⅒) + (14 x 1⁄100)    ⚪    2.324

They are equal (=)

Adding and Subtracting

100

2.14 + 0.06

2.2

200

8.931 - 2.74

6.191

300

8.31 - 1.09

7.22

400

(5.27 + 5) - 0.73

9.54

500

10.357 + 12.062 + 7.506

29.925

Multiplying and Dividing

100

3.2 x 3

9.6

200

2 tenths x 4

8 tenths or 0.8

300

Write the product of 4.6 and 3

4.6 x 3= 13.8

400

34.5 ÷ 5

6.9

500

8.6 ÷ 4

2.15

Exponents

100

What is 10²?

100

200

What is 10⁴?

10,000

300

3.14 x 10²

314

400

823 ÷ 10³

0.823

500

What does an exponent represent?

How many times the base number is multiplied by itself. (example: 10³= 10 x 10 x 10)

Different Forms

100

Write 45 tenths in standard form

4.5

200

Write one hundred and one hundredth in standard form

100.01

300

Write 10.35 in unit form

1 ten 3 tenths 5 hundredths

400

Write 72.902 in expanded form (super expanded form)

(7 x 10) + (2 x 1) + (9 x 1⁄10) + (2 x 1⁄1000)

500

Write 34.57 in word form

Thirty four and fifty seven hundredths