Show:
Types of Models
Decimals to Percents
Adding Fractions
Subtracting Fractions
Factors and Multiples
100
A rectangle is drawn and divided into equal parts depending on the denominator.
What is the bar model?
100
50%
What is 0.5?
100
When denominators are alike, just add the ______________.
What are the numerators?
100
The difference between 7/8 and 4/8.
What is 3/8 (three eighths)?
100
The number one.
What is a factor of any number?
200
This model is useful because the units are marked on a line that represents equal spaces between values.
What is a number line?
200
100%
What is 1.0 (one whole)?
200
The ___________ of 8 and 4 is 16.
What is the lowest common multiple?
200
Before you subtract, one strategy is to make sure these values are the same.
What are the denominators?
200
Only the number one and itself.
What are the factors of a prime number?
300
This model helps find a part of a part by shading in parts of a square.
What is the brownie pan model?
300
75%
What is 0.75?
300
The sum of 1/2 and 1/4.
What is 3/4 (three fourths)?
300
The difference between 2/3 and 1/6 (2/3 minus 1/6).
What is 3/6 (three sixths, or one half)?
300
A number that has an odd number of factors
What is a square number?
400
This model breaks down a number to its prime factors, which can also be used to find the LCM or GCF of a group of numbers.
What is a factor tree?
400
125%
What is 1.25 (one and twenty-five hundredths)?
400
The sum of 1/2 and 1/3.
What is 5/6?
400
Before subtracting these types of fractions, sometimes you have to regroup.
What are mixed numbers?
400
This number's factors include 4, 3, and 5.
What is 60?
500
10 sticks are equivalent to this model. So are 100 unit cubes.
What is a hundreds grid?
500
10% + 40%
What is 1/10 (one tenth) plus 4/10 (four tenths)?
500
When the denominators are not alike, you can convert each fraction into one of these before adding.
What are equivalent fractions?
500
The difference between 1 and a half and 7/8.
What is 5/8 (five eighths)?
500
For the numbers 12 and 18, it is the number 6.
What is the greatest common factor?