Decimals

Adding & Subtracting

100

What should you always do to your decimals when adding and subtracting?

Make sure they are lined up.

200

3,948.919 + 412.222

4,361.141

300

1. Viktorya $25.00 she wants to buy 4 balls of yarn. Two of them cost $2.34, the third ball cost $6.24, and the last ball cost $7.76? Will she have enough money to buy a pack of crochet needles for $4.52? 

yes

400

Cecelia downloaded two apps on her tablet, which were 12.534kb. If one app was 8.2kb, how big was the other app?

4.334kb

Multiplying & Dividing

100

When multiplying decimals, the decimals MUST be lined up.

True or False 

False

200

167.3 ✕ 0.55    

92.015

300

95.85 / 0.05

1,917

400

1,245 / 6

207.5

500

Ava, Pria, Averie, and Viktorya have dinner. Their bill comes to $45.64. How much did each girl pay if they split the bill evenly?

$11.41

What's that Place Value?

100

Which digit is in the tenth place?

12.763

7

200

Which digit is in the thousandths place?

2,836.1097

0

300

Which digit is in the thousandths place?

524,011.85971

9

400

Round to the nearest tenths place.

524,011.85971

524,011.86

Comparing

100

.234_____ 1.234

< 1.234

200

1/2 _____ .5

=

300

543.21 __________ 543.12

543.21>

400

4/16 _______ 2.5

< 2.5

500

23.023________ 23.0023

23.023>

G to L or L to G

100

Least to Greatest

1.909, 1.930, 1.203, 1.97

1.203, 1.909, 1.930, 1.97

200

Greatest to Least 

45.219, 45.1, 45.22

45.22, 45.219, 45.1

300

Greatest to Least

123.02, 123.202, 123.50, 123.001

123.50, 123.202, 123.02, 123.001