Rules and Vocabulary
Multiply by 2 and 3
Multiply by 4 and 5
Surprise me!
Surprise me again!
100

This math rule says that when multiplying if one of the factors is 0 the product must always be 0.

What is: Zero Property/Rule

100
2 x 2
What is: 4
100
4 x 1
What is: 4
100
7 x 3
What is: 21
100
6 x 2
What is: 12
200

This multiplication rule says that when multiplying by 1 the product must always be the same number as the other factor.

What is: Multiplying by 1

200
3 x 4
What is: 12
200
5 x 5
What is: 25
200
9 x 4
What is: 36
200
11 x 5
What is: 55
300

The answer to a multiplication problem.

What is: Product

300
5 x 2
What is: 10
300
4 x 8
What is: 32
300
12 x 5
What is: 60
300

Double Jeopardy! Mrs. Simon brought cookies for her class. There are 12 students in her math class and she gives each student 2 cookies. How many cookies did Mrs. Simon give out?

What are: 24 cookies

400

A set of objects or numbers arranged in order, often in rows and columns.

What are: Arrays

400
8 x 2
What is: 16
400
Double Jeopardy! 12 x 4
What is: 48
400
6 x 5
What is: 30
400
4 x 4
What is: 16
500

Double Jeopardy! True or False: When you set up a multiplication problem, the biggest factor always comes first.

What is: False

500
11 x 3
What is: 33
500
9 x 5
What is: 45
500

Double Jeopardy! 10 x 10

What is: 100

500

Double Jeopardy! It's Carnival Day at Tricentia Academy! The Ferris wheel has 12 riding baskets that fit up to 5 students each. How many students can ride the Ferris wheel in all?

What are: 60 students

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