Terminology
How do you turn a whole number into a fraction?
put a one under it; put a one in the denominator
3/5 x 4
2 2/5
1/2 x 1/2
1/4
1 1/4 x 3
3 3/4
James has 3/4 of a pizza left over. He ate 1/2 of what was left. How much pizza did James eat?
3/8 of the pizza
What type of fraction has a numerator of one?
unit fraction
3/4 x 5
3 3/4
5/6 x 2/3
10/18 or 5/9
1 1/4 x 2
2 1/2
Sophia ran 7/8 of a mile. Lucy ran 1 1/3 times as far as Sophia. How far did Lucy run?
1 1/6 mi
The bottom number of a fraction that represent the total.
denominator
5/9 x 6
30/9 or 3 1/3
4/5 x 5/6
4/6 or 2/3
4 x 5 1/2
22
In Graham's class, 2/3 of the students are boys. The teacher asked 3/4 of the boys to bring bottled water for a party. How many boys were asked to bring water?
1/2 of the boys
How do you turn an improper fraction into a mixed number?
divide the numerator by the denominator. After the division, the mixed number is formed in that the quotient becomes the whole number, the remainder becomes the new numerator and the denominator remains the same.
Will 4/5 x 1 2/3 be greater than or less than the factors being multiplied?
Eric wants to make half a recipe. How many cups of walnuts does he need if the recipe calls for 3/4?
3/8
6 7/8 x 7 1/2
5/24 of her tickets
What compares the size of a product to the size of one of its factors? (think *resizing*)
scaling
Autumn makes a stack of green blocks 6 feet tall. Then she makes a stack of yellow blocks 1/4 as tall as the green. How tall is the stack of blue boxes?
1 1/2 feet tall
Will 3/4 x 3 be greater than, or less than the whole number used? Explain why.
less than 3, because you are multiplying by a fraction less than 1.
Drew made 3 2/3 boxes of pasta for the baseball team's dinner. They ate 3/4 of that amount. How many boxes of pasta did the team eat?
2 3/4
Cohen is making tiles. Each measure 1 1/3 by 1 1/3 cm. If Cohen uses 15 tiles, what is the total area of his tiles?
26 2/3 sq cm