Free Grade 3 Introducing Adding Integers Techniques Lesson Plans
Free Grade 3 lesson plans for Introducing Adding Integers Techniques: 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
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing adding integers techniques
Identify introducing adding integers techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing adding integers techniques
Explain introducing adding integers techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing adding integers techniques
Calculate introducing adding integers techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing adding integers techniques
Compare introducing adding integers techniques 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 Introducing Adding Integers Techniques 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.
- 1.9 + 10 = ?[1]
- 2.0 + (-9) = ?[1]
- 3.10 + (-4) = ?[1]
- 4.7 + 1 = ?[1]
- 5.-4 × 13 = ?[2]
- 6.16 − (-8) = ?[2]
- 7.-7 × 7 = ?[2]
- 8.-3 − 18 = ?[2]
- 9.29 − 17 = ?[3]
- 10.-16 × (-11) = ?[3]
- 11.15 − 25 = ?[3]
- 12.-3 + (-6) = ?[3]
Show answers and working
1. 19
Start at 9 on a number line. Move 10 right. You land on 19.
2. -9
Start at 0 on a number line. Move 9 left. You land on -9.
3. 6
Start at 10 on a number line. Move 4 left. You land on 6.
4. 8
Start at 7 on a number line. Move 1 right. You land on 8.
5. -52
Multiply the sizes: 4 × 13 = 52. Same signs give positive, different signs give negative. Answer: -52
6. 24
Subtracting (-8) is the same as adding 8. 16 + 8 = 24
7. -49
Multiply the sizes: 7 × 7 = 49. Same signs give positive, different signs give negative. Answer: -49
8. -21
Subtracting 18 is the same as adding -18. -3 + (-18) = -21
9. 12
Subtracting 17 is the same as adding -17. 29 + (-17) = 12
10. 176
Multiply the sizes: 16 × 11 = 176. Same signs give positive, different signs give negative. Answer: 176
11. -10
Subtracting 25 is the same as adding -25. 15 + (-25) = -10
12. -9
Start at -3 on a number line. Move 6 left. You land on -9.
Worked examples
-4 − (-4) = ?
- Subtracting (-4) is the same as adding 4.
- -4 + 4 = 0
- Answer: 0
10 + (-17) = ?
- Start at 10 on a number line.
- Move 17 left.
- You land on -7.
- Answer: -7
5 − (-24) = ?
- Subtracting (-24) is the same as adding 24.
- 5 + 24 = 29
- Answer: 29
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 Introducing Adding Integers Techniques 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 Introducing Adding Integers Essentials, 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 Introducing Adding Integers Techniques?
- Move on to Introducing Adding Integers Word Problems, Introducing Adding Integers Common Errors, Working with Adding Integers, Adding Integers in Context, which build directly on this idea.
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