Decimals
What is the rule for adding and subtracting decimals?
Line up the decimals
When finding the GCF of 2 numbers is the answer smaller or bigger than the numbers?
Smaller
1.3 x 6
7.8
5.6 divided by 2
2.8
0.58 - 0.23
0.35
4.5 x 2.3
10.35
True or False: Two decimals less than one added together will always equal less than one.
False
When finding the LCM of 2 numbers, does the answer get bigger or smaller?
Bigger
4.5 x 23
103.5
14.96 divided by 11
1.36
1 - 0.5904
0.4096
1.004 - 0.879
0.125
Which digit is in the thousandths spot? 17.324
4
Find the GCF of 15 and 45
15
2.12 x 3.5
7.42
5.5 divided by 2.3 (Remainder as R)
2 R9
0.25 + 0.542
0.792
0.64 divided by 2
0.32
When dividing by powers of 10, what are the 2 steps?
1. Count the zeros. 2. Move the decimal left that many spaces.
find the LCM of 24 and 18
0.5 x 4.56
2.28
14.35 divided by 0.6 rounded to the nearest tenth
23.9
18.45 + 5.234
23.684
456 divided by 20 (Remainder as a fraction)
22 and 4/5
What are the 3 steps for multiplying decimals?
1. Remove the decimal point
2. Multiply like normal
3. Count the spaces before the decimal(s) and move decimal(s) to the left.
find the GCF of 26 and 52
26
5.5 x 0.03
0.165
Molly spent $33.60 to buy pies for Thanksgiving. If she bought 6 pies, how much did each of them cost?
$5.60
0.991 - 0.43
0.541
0.2 divided by 2.6 rounded to the nearest hundredth
0.08