Lesson 5 Patterns on Addition Charts

  • Let’s find, describe and explain addition patterns using an addition chart.

Warm-up Number Talk: One more, One Less

Activity 1 Finding Addition Patterns

Find as many different patterns as you can using the addition chart.

Circle and explain the patterns you see.

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Activity 2 Jada’s Pattern

Jada and her partner were finding sums on the addition chart. Jada found . Her partner found . Both had the same sum of 14. Jada said, if you have the same numbers and add them together the sum will always be the same.

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  1. Use the table to test Jada’s idea.

  2. Use cubes or a drawing to justify your thinking.

Activity 3 Three Addends

Let’s play “The Calculator Challenge.”