Mystery 1
Ivan has 4 baseball cards. Caleb has 6 times as many. How many cards does Caleb have?
24 baseball cards
4 x 6
What multiplication problem represents 6 groups of 9?
6 x 9
What multiplication fact can help you solve?
8 divided by 4 =
2 x 4 = 8
What are 2 and 4 called in this problem:
2 x 4 = 8
Hint: starts with an f
FACTORS!
One egg carton holds 12 eggs. How many cartons are you able to fill with 60 eggs?
5 cartons
Sophie has 80 stanley cups. Ms. W has 8. How many times as many Stanley cups does Sophie have than Ms. W?
10 times more
80 divided by 8 is 10
What multiplication problem represents 2 groups of 8?
2 x 8
What multiplication fact can help you solve 35 divided by 7?
7 x 5 = 35
What is 10 called in this problem?
2 x 5 = 10
PRODUCT
There are 21 students in Mr. Tentler’s class. The students divided themselves evenly into 3 groups. How many students are in each group?
7 students in each group
Navroop has 3 Weigant tickets. Kree has 7 times more. How many Weigant tickets does Kree have?
21 tickets
3 x 7= 21
What multiplication problem does this array represent?
XXXXX
XXXXX
2 x 5 = 10
What division fact can help you solve 5 x 4 = 20
20 divided by 4 = 5
What are two opposite operations that undo each other called?
INVERSE OPERATIONS
Miranda has 24 CDs in her collection. Of those CDs, 10 are pop CDs. She has 6 more country CDs than jazz CDs. How many country CDs does Miranda have?
She has 10 country CDs and 4 jazz CDs
Frankie has 36 birthday candles. Cataleya has 6 birthday candles. How many times more candles does Frankie have than Cataleya?
6 times more
36 divided by 6 is 6
What multiplication problem does this represent?
XXXXXXX
1 x 7 = 7
What division fact can help you solve 9 x 6 = 54
54 divided by 9 = 6
What are the four mathematical operations?
Subtraction, addition, multiplication, and division.
A summer camp has divided its campers into 8 groups of 9 campers. How many campers, c,are at the summer camp?
72 campers
Mahmoud has 12 pieces of gum. Devyn has 8 times more. How many pieces of gum does Devyn have?
96 pieces of gum
12 x 8= 96
What multiplication problem represents 12 groups of 12?
12 x 12 = 144
What division fact can help you solve 5 x 20 = 100
100 divided by 5 equals 20
What are a group of related facts using the same set of numbers called?
Example:
6, 2, and 3
FACT FAMILY
Curt has 12 models in all. Three of the models are airplanes. Curt has 5 more models of cars than boats. How many models of cars does Curt have?
He has 7 models of cars and 2 models of boats.