Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 1: Review/Test


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  • Question 13 (request help)

    Help Dana find the sum.

    \(\begin{align}
    346&\\
    421\\
    + 152&\\
    \hline
    \end{align}\)

    For numbers 13a–13d, select Yes or No to tell Dana when to regroup.

    a. Regroup the ones.
    • yes
    • no
  • Question 14 (request help)

    Alexandra has 78 emails in her inbox. She deletes 47 emails. How many emails are left in her inbox? Draw jumps and label the number line to show your thinking.
  •    emails
  • Question 15 (request help)

    Daniel has 402 pieces in a building set. He uses 186 pieces to build a house. How many pieces does he have left? Show your work.
  •    pieces

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