Make combinations to reach the target. Learners play a game to add and subtract numbers between 0 and 10 to reach a target number between 10 through 20. Teachers use the game to help pupils learn efficient ways to add and subtract within 20.

Concepts

addition, subtraction, addition equations, creating equations, addition facts, subtraction facts, decomposing numbers

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Additional Tags

math

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Instructional Ideas

• Challenge the pairs to come up with different combinations that make the same target
• Require each combination to include subtraction

Classroom Considerations

• Individuals should be comfortable with basic addition facts to 20

Pros

• Provides an example of a solution
• Includes a description of how pupils think about number

Cons

• Missing the attached number cards

Common Core

2.OA.B.2