Understanding Multiplication
2 rows of 8 is
16
Nina picked 8 tomatoes this month. She picked 4 times as many last month. How many did she pick last month?
Multiply- 32 tomatoes
Name 10 multiples of 5
5, 10, 15, etc.
$ ^ ^ $ ^ ^ $ ^ ^ _____
$
Carmen earned $10 babysitting one week and $12 the next week. She spent $6 on a gift for her brother. How much money did Carmen have left?
$16
Draw a bar model to show a number that is 5 times as many as 7
(5) (5) (5) (5) (5) (5) (5) or (7)(7)(7)(7)(7)
Ben has 6 marbles. Tom has 3 times as many as Ben. How many does Tom have?
Multiply- 18 marbles
1, 2, 3, 5, 6, 10, 15, 30
1, 3, 6, 10, 15, 21, 28
Add 2, add 3, add 4, etc. "start by adding two then add one more each term"
A club plans a rafting trip. There are 10 boys and 12 girls in the club. Each raft can hold up to 6 people. How many rafts are needed? Will all the rafts be full?
4, no
8 is 4 times as many as
2
Charlie and Gabe collect cans to recycle. Charlie collected 5 times as many as Gabe. Charlie collected 50 cans. How many did Gabe collect?
Divide- 10 cans
Factors of 56
1, 2, 4, 7, 8, 14, 28, 56
3,5,7,9,11
Add two
Gabriel owns 27 fiction and 23 non-fiction books. If 8 books fit on a shelf, how many shelves does he need for all his books? Will all the shelves be full?
7 shelves, no
42 is 7 times as many as
6
A cook used 12 eggs at lunch. She used 3 times as many at breakfast. How many eggs did she use at breakfast?
Multiply- 36 eggs
My multiples include 14, 21, 28, 35, 42
What is 7?
23, 20, 17, 14
What is "subtract 3"?
Petra walked 9 miles the first week of this month. She walked twice as far the second week, and 12 miles the third week. How many miles did she walk altogether?
39 miles
Represent 9x4 in three ways
Sofia has 72 marbles. She has 8 times as many as Yolan. How many does Yolan have?
My factors are 1, 3, 9, 11, 33, 99
What is 99?
Triangle, Square, Triangle, Rectangle, Triangle, ________?
What is square?
Paperbacks sell for $2 and hardcovers sell for $4 at the Smith family yard sale. The Smiths made $92 on books, and sold 30 paperbacks. How many hardcover books did they sell?
8 hardcovers