Factor Pairs or Multiples
What is one factor pair for the number 10?
1 and 10 OR 2 and 5
Which is the greater fraction?
5/8 or 5/10?
5/8
If the numerators (top numbers) are the same in two fractions, then the denominators (botton numbers are flipped.)
Bigger numbers are smaller on the botton and smaller numbers are bigger.
What do we call fractions that have the same denominators?
Like fractions
Write 4/10 as a decimal.
0.4
4, 6, 8, 9 all have more than one factor pairs.
Numbers with more than one factor pair are called...
Composite Numbers
5, 10, 15, 20, 25, 30. These are all multiples of the number......
5
Pol had seven cookies. He ate two of them. Write a fraction for the cookies he has remaining.
5/7
Write two and three fourths as an improper fraction.
11/4
2 3/4
To go from mixed number to improper fraction we take the whole number, times the denominator, plus the numerator while keeping the denominator the same.
2 x 4 = 8, plus the numerator of 3 is 11, denominator stays the same so 11/4.
Write .07 as a fraction.
7/100
Another name for multiples, the answer to a multiplication problem.
Products
10 and 11 are factor pairs for what number?
110
Name a fraction equivalent to three fourths.
6/8 OR 9/12 OR 12/16
Anytime you multiply or divide the numerator and denominator by the same number, you have an equivalent fraction.
All improper fractions are also.....
Mixed Numbers
Sort these decimals from least to greatest.
0.9, 0.01, 0.10
0.01, 0.1, and 0.9
Solve 4 3/4 - 3 1/4
Answer in simplest form.
1 1/2
Some numbers only have one factor pair. What do we call these numbers?
Prime
What is the simplest form of 20/100?
1/5
Simplest Form: An equivalent fraction with the smallest numbers, found by dividing both the numerator and denominator by the GCF.
What is 1/6 + 3/6?
Answer in simplest form.
2/3
Read this:
Fifty-five hundredths.
What digit is in the tenths place?
5
Fifty-five hundreths = 0.55
Write 12/5 as mixed number.
Answer in simplest form.
2 2/5
Is 1 a prime or composite number?
Neither!
Trick question! I gotcha!
Is 3/5 in its simplest form? Yes or No?
Yes.
Both 3 and 5 are prime, so their GCF is 1.
What is 12/20- 3/20?
Answer in simplest form.
9/20
The GCF of 9 and 20 is 1 so the answer is already in the simplest form.
Look at this decimal.
0.49672
What digit is in the hundreths place?
9
Fractions and decimals are between what two whole numbers?
0 and 1.
Fractions and decimals are numbers that are less than 1 but greater than 0.