Multiplication as Resizing
Tell whether the first factor will increase or decrease.
1/2 x 6/4 =
Increase
Twelve children on a basketball team will share 5 chocolate bars. What fraction of a chocolate bar will each child get to eat?
5/12
What two whole numbers could the product of the following be?
5 × 4 and 3 ⁄ 5 =
Between 20 and 25
Compute:
1,234 x 42 =
51,828
A farmer had 5 acres he wanted to split amongst his 2 children. If each child gets the same amount of land, how much should each one get? Between what two whole numbers does your answer lie?
5/2, 2 and 3
Tell whether the first factor will increase, decrease or stay the same.
4 x 3/4 =
Decrease
Write 5 divided by 6, three different ways.
5/6
See Mrs. Christiansen's examples
What two whole numbers could the following fraction lie between?
8 × 3 and 4 ⁄ 6 =
Between 24 and 32
Write 455.849 in expanded exponential form?
4x102 + 5x101 + 5x100 + 8x10-1 + 4x10-2 + 9x10-3
A lawn care company had 40 feet of weed eater string. If they wanted to give each of their 6 weed eaters the same amount, how much should they give each one? Which two whole numbers does your answer lie between?
40/6, 6 and 7 feet
Tell whether the first factor will increase, decrease or stay the same.
5/13 x 6/6 =
Stay the same (equal)
Without multiplying, determine which of the following products are greater than 5/13. Select ALL that apply.
1 and 2
What two whole numbers could the following lie between?
7 and 5 ⁄ 8 × 6 =
Between 42 and 56
Compute:
3330 ÷ 30 =
111
Your teacher gives your table group a piece of yarn that is 58 inches long. Your table group needs to cut the yarn into equal pieces for an art project. If there are 6 students at your table group, each piece of yarn will be between what two numbers.
58/6 is 9 and 4/6 inches, so between 9 and 10 inches
What two whole numbers does the following fraction lie between?
31/9
3 and 4/9, so between 3 and 4
Without multiplying, determine which of the following products are less than 47. Select ALL that apply.
2 and 3
What two whole numbers could the following lie between?
3 × 3 and 5 ⁄ 7 =
Between 9 and 12
Mrs. Christiansen saved $6,842. She wants to divide the total amount between her two nephews. How much would each son receive?
$3,421
A toy store had 7 boxes that weighed a total of 61 kilograms. If each box had the same amount of weight, how much did each box weigh? Between what two whole numbers does your answer lie?
61/7, 8 and 9 kilograms
Determine the answer by estimating.
7 and 3/6 x 6 =
between 42 and 48
Luke had collected 53 leaves to feed to his caterpillar collection. If he wanted to split the leaves equally amongst the 7 cages, how much should he put in each cage? Between what two whole numbers does your answer lie?
53/7, so between 7 and 8
What two whole numbers could the following lie between?
6 × 2 and 1 ⁄ 2 =
Between 12 and 18
Canada has a population that is 1/10 the size of the United States. If Canada's population is 34 million, how many people live in the United States?
340,000,000 people
A pet store had 2 cats. If they wanted to split 11 ounces of cat food amongst them, how much should each cat get? Between what two whole numbers does your answer lie?
11/2, 5 and 6