Order of Operations: Add and Subtract Worksheets for 3rd Grade
Work a problem with several additions and subtractions from left to right. 15 free printable worksheets, each with an answer key.
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Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Order of Operations: Add and Subtract: what children learn
When a problem has only addition and subtraction, third graders work from left to right and keep a running total. Writing each step down helps them avoid mixing up the order.
Order of Operations: Add and Subtract: worked example
30 - 12 + 9 = 27
Start on the left. 30 - 12 = 18. Then 18 + 9 = 27.
Order of Operations: Add and Subtract: a common mistake to watch for
Kids sometimes add first and then subtract, so 30 - 12 + 9 turns into 30 - 21.
Order of Operations: Add and Subtract: how to help at home or in class
Act out a story with counters: start with 30 marbles, give away 12, then win 9. Your child moves counters for each step and writes the running total in a column down the page, one line per step. Retelling problems this way shows that the story goes in order. When your child writes each step without skipping lines, combining multiplication into the mix comes next.
What is on these Order of Operations: Add and Subtract worksheets
This set has 15 different worksheets for 3rd grade, with 16 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Work from left to right. Write the answer.”
Example questions like the ones on these worksheets, with their answers:
- 71 + 6 - 19 =58
- 63 - 54 + 78 =87
- 32 + 54 - 56 - 2 =28
- 25 + 7 - 12 =20
- 20 - 9 + 25 =36
- 21 + 73 - 46 + 32 =80
- 19 - 15 + 21 + 33 =58
- 60 + 34 - 20 + 5 =79
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers