Marcia read 2 books. Each book was 44 pages long. How many pages did she read?
What is 88 pages?
200
7 X 300
What is 2,100?
200
Estimate:
42 X 8
What is 320?
200
Numbers that are multiplied together.
What are factors?
200
829 x 8 =
What is 6,632?
200
Tania has four decks of 52 cards in each deck. How many cards does Tania have?
What is 208 cards?
300
6 X 7,000
What is 42,000?
300
Estimate:
1662 X 4
What is 8,000?
300
To exchange equal amounts when renaming a number.
What is regrouping?
300
724 x 7 =
What is 5,068?
300
A kangaroo can jump as far as 43 feet in a single jump. About how far could the kangaroo jump if they jumped 3 times?
What is 120 feet?
400
45 X 2,000
What is 70,000?
400
3,297 X 9
What is 27,000?
400
This property combines multiplication and addition by multiplying each addend by the number and adding the products together.
What is Distributive Property?
400
6,225 x 7 =
What is 43,575?
400
There are 8 party bags. Each bag contains 12 items. Is it reasonable to say that the bags will have 75 items in all? Explain.
What is 12x8 > 75. So no, it's not reasonable to say that.
500
527 x 4,000
What is 2,108,000?
500
6,259 x 5 =
Will this be greater than or less than the actual product?
What is 30,000?
What is less than?
500
When you find the product for the ones, tens, etc. separately, and them add them together. We often use an area model to demonstrate this.
What is Partial Products?
500
20,402 X 8
What is 163,216?
500
It take Ben 18 minutes to walk from his house to his friend's house. He walks to and from their house 3 times a week. About how many minutes each week does Ben spend walking between the two houses?