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Rules For Different Operations Flashcards | StudBud

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What is the rule when multiplying decimals?

What is the rule when dividing fractions?

Rules For Different Operations

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#Fractions #Decimals #Adding #Subtracting #Multiplying #Dividing

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Questions 14

Answers

1
What is the rule when dividing fractions?
Divide straight across
Find a common denominator
Change keep flip
Keep change flip
2
What is the rule when multiplying decimals?
There are no rules when multiplying decimals
Line up your decimals
Move over the decimal however many times it was moved above
Make sure the bigger number is up top
3
Multiplying decimals 25.2×1.51
380.
38052
380.52
38.052
4
Subtracting fractions 14/25 - 1/5
13/20
15/30
19/25
25/19
5
Multiplying fractions 15/20 × 2/4
60/40
50/40
17/24
30/80
6
What is the rule when multiplying fractions?
Find common denominator
Multiply straight across
Multiply then add (MA)
Change keep flip
7
Adding Decimals 5.2+1.2
7.5
6.04
Not here
6.4
8
Dividing fractions 4/5 ÷ 5/10
25
25/40
40/25
20/50
9
What is the rule when dividing decimals?
Just divide and don't worry about the decimal.
Line up decimals
Smallest number goes inside the house
However many times you move outside you must move inside
10
What is the rule when adding or subtracting decimals?
Line up the decimals
Move the decimal however many times it was moved up top
Round your final anwser
Find a common denominator
11
What is the rule when adding or subtracting fractions?
Add or subtract the denominators across
Add or subtract straight across not minding the denominator
Find common denominator
Add numerators together and then add denominators together
12
Adding fractions 16/24 +12/48
48/44
192/1152
28/72
44/48
13
Dividing decimals 12.5 ÷ .5
.25
2.5
25
.025
14
Subtracting decimals 15.02-12.4
15
2.62
2.2
27.6