Curriculum>Grade 1> Module 4>Topic D: Addition of Tens or Ones to a Two-Digit Number

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Students solve addition equations without models. They must decide which strategy to use: adding the tens or adding the ones to solve

A. Use base-10 models to add ones to a 2-digit number

B. Add ones to a 2-digit number

C. Use base-10 blocks to add a tens to a 2-digit number

E. Identify tens numbers from a set

F. Given a number along a number line, identify the next ten

G. Identify the next ten from a given number, without models

H. Use base-10 blocks to practice adding to make a next ten

I. Identify the next ten and find the missing addend

J. Find the missing addend to make the next ten from a given number

K. Use base-10 blocks to solve addition equations with exchanging

L. Use number bonds to solve addition equations with exchanging (Level 1)

M. Use number bonds to solve addition equations with exchanging (Level 2)

N. Solve addition equations with exchanging, using a number bond if needed

O. Add ones to a 2-digit number

P. Add ones to a 2-digit number, with and without exchanging

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