Addition/ Subtraction Math Game: 1 or 2 Less Than (No time-limit)

An Addition and Subtraction Game - by HelpingWithMath.com

I am 1 or 2 less; what number am I?

You will find a 2-minute time limit version here.

The 1 or 2 more than version is here and the version of this game that combines one or two less and one or two more is here.

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Related Resources

The resources listed below are aligned to the same standard, (1OA06) re: Common Core Standards For Mathematics as the Addition and subtractionGame shown above.

Add and subtract within 20, demonstrating fluency for addition and subtraction within ...

Charts

Addition Facts Chart e.g. Square to 20
Addition Facts Chart e.g. to 20 (4 per page)

Flashcards

Methods to learn addition and subtraction

Adding one ( + 1)
Adding doubles e.g. 3 + 3
Subtracting one ( - 1) e.g. 4 - 1
Adding zero e.g. 6 + 0
Subtracting doubles e.g. 10 - 5
Subtracting to one e.g. 7 - 6
Subtracting doubles e.g. 8 - 4
Adding two ( + 2) e.g. 4 + 2

Games

Number Bonds To 10

Build The Answer Games

Math Games From The BBC

Target Game

Worksheets

Mappings to 10 # 1 e.g. add 2 to 4, 6, 7, & 8
Mappings to 10 # 2
Mappings to 20 # 1 e.g. add 6 to 7, 8, 9, & 11
Mappings to 20 # 2
Bridging 10 e.g. 7 + 4, 8 + 5
Numbers to 9 (3 of 3) e.g. 8 - 4
Three 1-digit numbers (with two adding up to 10) e.g. 7 + 5 + 3