Elementary Test Prep Math 4 (Grade 3) Showing a Math Idea

Showing a Math Idea
Practice
Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone

You can picture a math idea.

Think of an equation, with a missing
addend, as a machine.

Use the Input Machine to help you find each answer.

Input Machine
In + = Out

4 +		6
6 +		8
8 +

Input Machine
In + = Out

5 +		10
7 +		12
+		14

Input Machine
In + = Out

16 +		20
15 +
14 +		18

Input Machine
In + = Out

5 +		11
9 +		15
13 +		19

Input Machine
In + = Out

12 +		17
15 +		20
18 +

Input Machine
In + = Out

2 +		9
4 +		11
+		17

Input Machine
In + = Out

1 +		6
8 +		13
11 +

Input Machine
In + = Out

6 +		16
9 +		19
+		20

Remember:

Think of a math idea in a new way.

Click on the input machine to review the lesson.

Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone

Created by Ed Fayette
Updated by Pat Delia
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