Free Grade 3 Integer Number Line in Context Word Problems Lesson Plans
Free Grade 3 lesson plans for Integer Number Line in Context Word Problems: 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
Foundation
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify integer number line in context word problems
Identify integer number line in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain integer number line in context word problems
Explain integer number line in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate integer number line in context word problems
Calculate integer number line in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare integer number line in context word problems
Compare integer number line in context word problems 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 Integer Number Line in Context Word Problems 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.-4 − 3 = ?[1]
- 2.-4 + (-5) = ?[1]
- 3.-2 + 4 = ?[1]
- 4.8 − 4 = ?[1]
- 5.4 − 9 = ?[2]
- 6.8 + (-19) = ?[2]
- 7.9 × (-4) = ?[2]
- 8.-4 − (-14) = ?[2]
- 9.-3 + 29 = ?[3]
- 10.-29 + (-30) = ?[3]
- 11.-17 + 16 = ?[3]
- 12.-17 × 29 = ?[3]
Show answers and working
1. -7
Subtracting 3 is the same as adding -3. -4 + (-3) = -7
2. -9
Start at -4 on a number line. Move 5 left. You land on -9.
3. 2
Start at -2 on a number line. Move 4 right. You land on 2.
4. 4
Subtracting 4 is the same as adding -4. 8 + (-4) = 4
5. -5
Subtracting 9 is the same as adding -9. 4 + (-9) = -5
6. -11
Start at 8 on a number line. Move 19 left. You land on -11.
7. -36
Multiply the sizes: 9 × 4 = 36. Same signs give positive, different signs give negative. Answer: -36
8. 10
Subtracting (-14) is the same as adding 14. -4 + 14 = 10
9. 26
Start at -3 on a number line. Move 29 right. You land on 26.
10. -59
Start at -29 on a number line. Move 30 left. You land on -59.
11. -1
Start at -17 on a number line. Move 16 right. You land on -1.
12. -493
Multiply the sizes: 17 × 29 = 493. Same signs give positive, different signs give negative. Answer: -493
Worked examples
2 − 1 = ?
- Subtracting 1 is the same as adding -1.
- 2 + (-1) = 1
- Answer: 1
-18 + (-18) = ?
- Start at -18 on a number line.
- Move 18 left.
- You land on -36.
- Answer: -36
2 − 29 = ?
- Subtracting 29 is the same as adding -29.
- 2 + (-29) = -27
- Answer: -27
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 Integer Number Line in Context Word Problems lesson plan really free?
- Yes. Every lesson plans 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 Integer Number Line in Context Techniques, Integer Number Line in Context Essentials, Working with Integer Number Line. Each one has its own free lesson, worksheet and quiz.
- How is the lesson plan 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 Integer Number Line in Context Word Problems?
- Move on to Integer Number Line in Context Common Errors, Introducing Integer Number Line, Working with Integer Number Line, which build directly on this idea.
Related resources
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