NJ ASK Grade 3 Mathematics by Brice J.;Rush Sandra;Brice J.;

Author:Brice, J.;Rush, Sandra;Brice, J.;
Language: eng
Format: epub
Publisher: Research & Education Association

1. 5 - 3 =

2. 4 + = 9

3. 12 - x = 9

4. 8 + 9 = n

5. 21 - x = 14

The correct answers are:

1. 2

2. 5

3. 3

4. 17

5. 7

Did you get them all right? If not, review the section on open sentences.

If an open-sentence question has multiple-choice answers, it is often quicker and easier to just substitute these choices into the open sentence to see which one works. This is just like the step for checking your answer at the end of the previous page.

Practice Questions

Practice 27: Open Sentences

DIRECTIONS:

Choose the best of the answer choices given for each of the following problems. Fill in the circle next to your choice.

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