Adding & Subtracting
What should you always do to your decimals when adding and subtracting?
Make sure they are lined up.
When multiplying decimals, the decimals MUST be lined up.
True or False
False
Which digit is in the tenth place?
12.763
7
.234_____ 1.234
< 1.234
Least to Greatest
1.909, 1.930, 1.203, 1.97
1.203, 1.909, 1.930, 1.97
3,948.919 + 412.222
4,361.141
167.3 ✕ 0.55
92.015
Which digit is in the thousandths place?
2,836.1097
0
1/2 _____ .5
Greatest to Least
45.219, 45.1, 45.22
45.22, 45.219, 45.1
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
95.85 / 0.05
1,917
Which digit is in the thousandths place?
524,011.85971
9
543.21 __________ 543.12
543.21>
Greatest to Least
123.02, 123.202, 123.50, 123.001
123.50, 123.202, 123.02, 123.001
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
1,245 / 6
207.5
Round to the nearest tenths place.
524,011.85971
524,011.86
4/16 _______ 2.5
< 2.5
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
23.023________ 23.0023
23.023>