Math Practice 101
Homework Explained - Math Practice 101

Dear guest, you are not a registered member. As a guest, you only have read-only access to our books, tests and other practice materials.

As a registered member you can:

Registration is free and doesn't require any type of payment information. Click here to Register.
Go to page:  

Grade 3 Go Math Practice - Answer Keys
Common Core


Please share this page with your friends on FaceBook

Lessons 1.6–1.7

Estimate. Then find the sum.

Lesson 1.8

Use rounding or compatible numbers to estimate the difference.

Lesson 1.9

Use mental math to find the difference.

Lessons 1.10–1.11

Estimate. Then find the difference.

Lesson 1.12

  • Question 15 (request help)

    Sara read 81 pages in her book. Colin read 64 pages in his book. How many more pages did Sara read than Colin?
  •     pages
  • Question 16 (request help)

    Herb planted 28 pea plants. He planted 15 fewer tomato plants. How many pea and tomato plants did Herb plant in all?
  •     plants

Yes, email page to my online tutor. (if you didn't add a tutor yet, you can add one here)