Adding Decimals
0.5 + 0.9
1.4
1.2 - 0.5
0.7
5.7 X 0.1
0.57
5.7 / 0.1
57
HELP! Which digit is in the hundredths place???
258.943
Oh! Right, the 4 is in the hundredths place!
258.943
4.8 + 1.9
5.2 - 2.3
2.9
43 X 0.01
0.43
3 / 0.01
300
Help! Ms. Morgan says I did something wrong but I don't know how. What mistake did I make?
OH! I forgot my place-holder zero!
67
15.4 - 1.05
14.35
4.5 X 1.5
6.75
8 / 0.4
80/4 or 20
Help! Mrs. Morency thinks 54 x 0.01 = 5,400! What was her mistake?
Oh! She multiplied by 100 instead of 1/100! It's 0.54
3.45 + 128
131.45
23 - 3.15
19.85
10.5 X 2.18
22.89
0.9 / 3
3/10 or 0.3
Help! Daniel can't figure out what goes in the blank!
98.1 X ___ = 9.81
What goes in the blank?
Oh, right! Daniel should put in 0.1
12.89 + 347.2
350.09
103.4 - 6.25
97.15
125 X 0.45
56.25
1.6 / 2.4
160/240 or 2/3
Josh said that 7.5 X 6 is the same as (8 X 6) - (0.5 X 6). Is he right or wrong? Why?
7.5 X 6 = 45
8 X 6 = 480.5 X 6 = 3
48 - 3 = 45