Place Value
Powers of 10
Read and Write Decimals
Comparing Decimals
Rounding Decimals
100

What is the name of the place value the 8 is in?

3.846

Tenths place

100

Write this number in STANDARD form: 102

100

100

Write this number in word form: 30.78

Thirty and seventy eight hundredths 

100

Finish this comparison: 3.4 ___ 3.5

3.4 < 3.5

100

Round to the nearest whole number (Ones place):

5.8

6

200

What is the value of the 6 in this number?

1.76

0.06 = 6 hundredths

200

Write this number in EXPANDED form: 103

10 x 10 x 10

200

Write this number in WORD FORM: 347.39

Three hundred forty seven and thirty nine hundredths

200

Compare these numbers: 2.602 and 2.620

2.602 < 2.620 OR 2.620 > 2.602

200

Round to the nearest tenths place: 52.43

52.4

300

How do you make this number 10 times bigger? Explain and show your work.

34.6

346

To make a number 10 times bigger, you move each digit one place value to the left.

34.6 x 10 = 346

300

523 × 103=

523,000

300

Write this number in standard form: 

(6 x 10) + (4 x 1) + (8 x 0.1) + (7 x 0.001)

Hint: Look carefully at the place values!

64.807

300

Write both ways you could compare these two numbers 0.35 and 0.12

0.35 > 0.12

0.12 < 0.35

300

Round to the nearest hundredth: 3.445

3.45

400

What number is 1/10 the size of 27.9?

2.79

We move one place value to the right to make a number 10 times smaller.

27.9 ÷ 10 = 2.79

400

5.223 × 102

522.3

400

Write this number in EXPANDED form: 347.392

(3 x 100) + (4 x 10) + (7 x 1) + (3 x 0.1) + (9 x 0.01) + (2 x 0.001)

Expanded form with fractions is also correct!

400

Put these numbers in INCREASING order: 

0.278  0.199  0.29  0.122

0.199  0.122  0.278  0.29

400

Round this number to the nearest one, tenth, and hundredth. 

2.845

Hint: You will have 3 different answers!

Nearest one: 3

Nearest tenth: 2.8

Nearest hundredth: 2.85

500

In the number 55.55, each digit is 5, but the value of each digit is different because of the placement.

How much more is the 5 in the ones place worth than the 5 in the hundredths place?

The five in the ones place is worth 100 times more than the 5 in the hundredths place. It is 2 place values to the left, and every time we move a place value to the left the value is 10 times bigger. Moving twice makes it 100 times bigger (10 x 10).

500

52.3 ÷ 101

5.23

500
Write this number in expanded form: 320.708


Hint: Watch out for the zeros!

(3 x 100) + (2 x 10) + (7 x 0.1) + (8 x 0.001)

Fractions instead of decimals are also correct!

500

Put these numbers in decreasing order:

2.9  12.1  2.33  2.187

12.1  2.9  2.33  2.187

500

Yasir wanted to buy two things at the mall. A shirt which costs $12.61 and a pair of pants that cost $15.28. He wants to estimate how much money he needs to buy both items of clothing. To the nearest whole dollar, about how much money will Yasir need?

12.61 = 13        

15.38 = 15

15 + 13 = 28 

Yasir will need about $28 dollars

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