Free Grade 3 Working with Adding Integers in Context Common Errors Lesson Plans
Free Grade 3 lesson plans for Working with 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
Core
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with adding integers in context common errors
Explain working with adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with adding integers in context common errors
Calculate working with adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with adding integers in context common errors
Compare working with adding integers in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with adding integers in context common errors
Justify working with 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 Working with 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.
- 1.0 + 3 = ?[1]
- 2.8 − (-2) = ?[1]
- 3.3 − 2 = ?[1]
- 4.-7 + (-5) = ?[1]
- 5.20 + (-12) = ?[2]
- 6.11 × 5 = ?[2]
- 7.-6 − 19 = ?[2]
- 8.20 × 4 = ?[2]
- 9.2 × (-16) = ?[3]
- 10.-4 × (-29) = ?[3]
- 11.21 − 4 = ?[3]
- 12.24 − (-5) = ?[3]
Show answers and working
1. 3
Start at 0 on a number line. Move 3 right. You land on 3.
2. 10
Subtracting (-2) is the same as adding 2. 8 + 2 = 10
3. 1
Subtracting 2 is the same as adding -2. 3 + (-2) = 1
4. -12
Start at -7 on a number line. Move 5 left. You land on -12.
5. 8
Start at 20 on a number line. Move 12 left. You land on 8.
6. 55
Multiply the sizes: 11 × 5 = 55. Same signs give positive, different signs give negative. Answer: 55
7. -25
Subtracting 19 is the same as adding -19. -6 + (-19) = -25
8. 80
Multiply the sizes: 20 × 4 = 80. Same signs give positive, different signs give negative. Answer: 80
9. -32
Multiply the sizes: 2 × 16 = 32. Same signs give positive, different signs give negative. Answer: -32
10. 116
Multiply the sizes: 4 × 29 = 116. Same signs give positive, different signs give negative. Answer: 116
11. 17
Subtracting 4 is the same as adding -4. 21 + (-4) = 17
12. 29
Subtracting (-5) is the same as adding 5. 24 + 5 = 29
Worked examples
1 − 1 = ?
- Subtracting 1 is the same as adding -1.
- 1 + (-1) = 0
- Answer: 0
18 × (-1) = ?
- Multiply the sizes: 18 × 1 = 18.
- Same signs give positive, different signs give negative.
- Answer: -18
- Answer: -18
-27 + 13 = ?
- Start at -27 on a number line.
- Move 13 right.
- You land on -14.
- Answer: -14
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.
Every free resource for Working with Adding Integers in Context Common Errors
One concept, one ecosystem — all of it free.
Goes deeper
The entities below this one, each with the same complete free resource set.
Sibling concepts
Related concepts
Lateral links, including across subjects.
Next topics
All free formats for this concept
Every kind below is a real page, generated from this entity.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Working with Adding Integers in Context Common Errors 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 Rules and Methods in Adding Integers in Context Common Errors, Key Vocabulary of Adding Integers in Context Common Errors, Adding Integers in Context Word Problems. 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 Working with Adding Integers in Context Common Errors?
- Move on to Adding Integers in Context Common Errors in Examinations, Adding Integers in Context Essentials, Adding Integers in Context Techniques, Adding Integers in Context Word Problems, which build directly on this idea.
Related resources
- Free Working with Adding Integers in Context Common Errors worksheets
- Free Working with Adding Integers in Context Common Errors quizzes
- Free Working with Adding Integers in Context Common Errors flashcards
- Free Working with Adding Integers in Context Common Errors lessons
- Working with Adding Integers in Context Common Errors in the knowledge graph
- Free AI Tutor
Stuck on Working with Adding Integers in Context Common Errors? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor