Unit 6, Lesson 4, Grade 1 icon
Unit 6, Lesson 4

Write and interpret two-digit numbers to 100 as addition sentences that combine tens and ones.

EngageNY 60 min(s)

In this lesson, students recognize that numbers such as 67 can be interpreted as 6 tens 7 ones and that the units can be combined to find the total: 60 + 7 = 67. This work of decomposing and composing 67 into its tens and ones supports the work students do in upcoming lessons, as they decompose two-digit numbers before adding to another two-digit number.

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