Doubles Facts
Geometry
Mental Math
What's missing?
Math Vocabulary
100
4
What is 2+2?
100
I have four sides that are all equal length.
What is a Square?
100
This strategy adds the same number twice.
What is the doubles strategy?
100
____ + 8 = 13
What is 5?
100
The answer to an addition question.
What is the sum?
200
8
What is 4+4?
200
A beach ball is an example of this 3-D shape?
What is a sphere?
200
The best strategy to solve 4+5.
What is doubles plus one?
200
20 - 12 = ____
What is 8?
200
The part of a pattern that repeats at least 3 times.
What is the core?
300
14
What is 7+7?
300
I am a 3-D shape with one point.
What is a Cone?
300
I use this strategy when adding 1, 2, or 3 to a number.
What is counting on?
300
33 + _____ = 53
What is 20?
300
The operation that takes a number away from a larger number.
What is subtraction?
400
18
What is 9+9?
400
I an an 8-sided 2-D shape.
What is an octagon?
400
I use this strategy when adding 7+3.
What is make 10?
400
____ + 24 = 68
What is 44?
400
Another name for a 3-D shape.
What is a solid?
500
30
What is 15+15?
500
I am not a cube because my sides are longer than my faces.
What is a rectangular prism?
500
The time given to solve a mental math question (supposedly).
What is 3 seconds?
500
25 + 50 = _____
What is 75?
500
The best class at SACS.
What is 2M?
M
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