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Equivalent Fractions
Operations with Fractions
Operations with Decimals
100
The top number is referred to the numerator in a fraction. What do we call the bottom number?
The denominator
100
What are the four types of operations we can perform with fractions?
Add, subtract, divide, multiply
100
When multiplying by 100 move the decimal place how many places to the right?
2
200
True or False: Equivalent fractions are produced by multiplying the numerator and denominator by:
the same whole number
200
True or False: When multiplying and dividing fractions you first need to make sure they share a common denominator
False; only applies to adding and subtracting
200
If I multiply 0.12 by 0.13, how many digits will be to the right of the decimal?
4
300
Convert 2 1/2 to an improper fraction:
5/2
300
Before we can add and subtract fractions we must first make sure they share a:
common denominator
300
How many decimals in the solution of 0.2 divided by 0.1?
none. .2 x 10 = 2 .1 x 10 = 1 2 ÷ 1 = 2
400
What is 3/5 expressed as a fraction with a denominator of 40?
24/40
400
To divide a fraction, multiply by its:
reciprocal. Example: 2/3 ÷ 4/3 = 2/3 x 3/4
400
when dividing a decimal by another decimal what strategy should be used?
Multiply both numbers by power of 10 value to make divisor a whole number
500
To find the simplest form of an equivalent fraction we should divide the numerator and denominator by:
the Highest Common Factor (HCF)
500
Before multiplying fractions what should you first attempt to do:
Cancel out common factors
500
What does 1.2 x 1.2 equal?
1.44