Free Grade 3 Adding Integers in Context Common Errors Worksheets
Free Grade 3 worksheets for Adding Integers in Context Common Errors: 12 real questions with a full answer key and worked solutions. Integers include negative numbers. On a number line, adding moves right and subtracting moves left. Subtracting a negative is the same as adding.
Free
Higher
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify adding integers in context common errors
Identify adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain adding integers in context common errors
Explain adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate adding integers in context common errors
Calculate adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare adding integers in context common errors
Compare adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Adding Integers in Context Common Errors works
Integers include negative numbers. On a number line, adding moves right and subtracting moves left. Subtracting a negative is the same as adding.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.-3 − 8 = ?[1]
- 2.-9 − 0 = ?[1]
- 3.-7 − (-6) = ?[1]
- 4.1 + (-4) = ?[1]
- 5.-7 × 14 = ?[2]
- 6.12 × (-10) = ?[2]
- 7.-18 × 10 = ?[2]
- 8.19 + 11 = ?[2]
- 9.-20 + 0 = ?[3]
- 10.24 − 15 = ?[3]
- 11.-11 + 5 = ?[3]
- 12.-7 + (-18) = ?[3]
Show answers and working
1. -11
Subtracting 8 is the same as adding -8. -3 + (-8) = -11
2. -9
Subtracting 0 is the same as adding 0. -9 + 0 = -9
3. -1
Subtracting (-6) is the same as adding 6. -7 + 6 = -1
4. -3
Start at 1 on a number line. Move 4 left. You land on -3.
5. -98
Multiply the sizes: 7 × 14 = 98. Same signs give positive, different signs give negative. Answer: -98
6. -120
Multiply the sizes: 12 × 10 = 120. Same signs give positive, different signs give negative. Answer: -120
7. -180
Multiply the sizes: 18 × 10 = 180. Same signs give positive, different signs give negative. Answer: -180
8. 30
Start at 19 on a number line. Move 11 right. You land on 30.
9. -20
Start at -20 on a number line. Move 0 right. You land on -20.
10. 9
Subtracting 15 is the same as adding -15. 24 + (-15) = 9
11. -6
Start at -11 on a number line. Move 5 right. You land on -6.
12. -25
Start at -7 on a number line. Move 18 left. You land on -25.
Worked examples
7 + (-1) = ?
- Start at 7 on a number line.
- Move 1 left.
- You land on 6.
- Answer: 6
-13 − 15 = ?
- Subtracting 15 is the same as adding -15.
- -13 + (-15) = -28
- Answer: -28
19 − (-21) = ?
- Subtracting (-21) is the same as adding 21.
- 19 + 21 = 40
- Answer: 40
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Thinks −8 is bigger than −3.
Correction: Further left on the number line means smaller.
Treats − (−4) as −4.
Correction: Two minus signs together become a plus.
Teacher tips
- · Use a vertical number line like a thermometer.
Parent tips
- · Compare winter temperatures from the weather forecast.
Real-life applications
- · Temperatures below zero, bank balances, floors below ground.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Adding Integers in Context Common Errors worksheet really free?
- Yes. Every worksheets on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Adding Integers in Context Word Problems, Adding Integers in Context Techniques, Working with Adding Integers. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Adding Integers in Context Common Errors?
- Move on to Introducing Adding Integers, Working with Adding Integers, which build directly on this idea.
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