Free Grade 3 Introduction to Counting Backwards in Context Common Errors Lessons
Free Grade 3 lessons for Introduction to Counting Backwards in Context Common Errors: 12 real questions with a full answer key and worked solutions. Counting on means saying the next numbers in order, adding the same amount each time. Counting in 2s, 5s and 10s is the first step towards times tables.
Free
Core
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain introduction to counting backwards in context common errors
Explain introduction to counting backwards in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introduction to counting backwards in context common errors
Calculate introduction to counting backwards in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introduction to counting backwards in context common errors
Compare introduction to counting backwards in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify introduction to counting backwards in context common errors
Justify introduction to counting backwards 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 Introduction to Counting Backwards in Context Common Errors works
Counting on means saying the next numbers in order, adding the same amount each time. Counting in 2s, 5s and 10s is the first step towards times tables.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Count on in 2s: 2, 4, 6, 8, __, __[1]
- 2.Count on in 2s: 10, 12, 14, 16, __, __[1]
- 3.Count on in 2s: 16, 18, 20, 22, __, __[1]
- 4.Count on in 1s: 7, 8, 9, 10, __, __[1]
- 5.Count on in 5s: 150, 155, 160, 165, __, __[2]
- 6.Count on in 5s: 20, 25, 30, 35, __, __[2]
- 7.Count on in 5s: 35, 40, 45, 50, __, __[2]
- 8.Count on in 5s: 105, 110, 115, 120, __, __[2]
- 9.Count on in 10s: 240, 250, 260, 270, __, __[3]
- 10.Count on in 10s: 440, 450, 460, 470, __, __[3]
- 11.Count on in 10s: 420, 430, 440, 450, __, __[3]
- 12.Count on in 5s: 220, 225, 230, 235, __, __[3]
Show answers and working
1. 10, 12
Each number is 2 more than the one before. 8 + 2 = 10 10 + 2 = 12
2. 18, 20
Each number is 2 more than the one before. 16 + 2 = 18 18 + 2 = 20
3. 24, 26
Each number is 2 more than the one before. 22 + 2 = 24 24 + 2 = 26
4. 11, 12
Each number is 1 more than the one before. 10 + 1 = 11 11 + 1 = 12
5. 170, 175
Each number is 5 more than the one before. 165 + 5 = 170 170 + 5 = 175
6. 40, 45
Each number is 5 more than the one before. 35 + 5 = 40 40 + 5 = 45
7. 55, 60
Each number is 5 more than the one before. 50 + 5 = 55 55 + 5 = 60
8. 125, 130
Each number is 5 more than the one before. 120 + 5 = 125 125 + 5 = 130
9. 280, 290
Each number is 10 more than the one before. 270 + 10 = 280 280 + 10 = 290
10. 480, 490
Each number is 10 more than the one before. 470 + 10 = 480 480 + 10 = 490
11. 460, 470
Each number is 10 more than the one before. 450 + 10 = 460 460 + 10 = 470
12. 240, 245
Each number is 5 more than the one before. 235 + 5 = 240 240 + 5 = 245
Worked examples
Count on in 2s: 20, 22, 24, 26, __, __
- Each number is 2 more than the one before.
- 26 + 2 = 28
- 28 + 2 = 30
- Answer: 28, 30
Count on in 5s: 80, 85, 90, 95, __, __
- Each number is 5 more than the one before.
- 95 + 5 = 100
- 100 + 5 = 105
- Answer: 100, 105
Count on in 10s: 150, 160, 170, 180, __, __
- Each number is 10 more than the one before.
- 180 + 10 = 190
- 190 + 10 = 200
- Answer: 190, 200
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Says the starting number as the first count when counting on.
Correction: Point to the start number, then say the NEXT number as 'one'.
Loses the pattern when crossing a ten (e.g. 28, 29, 20).
Correction: Use a 100 square so the child sees the row change.
Teacher tips
- · Use a 100 square and colour each skip-count pattern in a different colour.
Parent tips
- · Count stairs in 2s or cars in 5s on a walk.
Real-life applications
- · Counting coins in 5s and 10s, counting pairs of socks in 2s.
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- What should a learner already know before this?
- Start with Counting Backwards in Context Word Problems. Each one has its own free lesson, worksheet and quiz.
- How is the lesson 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 Introduction to Counting Backwards in Context Common Errors?
- Move on to Key Vocabulary of Counting Backwards in Context Common Errors, Rules and Methods in Counting Backwards in Context Common Errors, Working with Counting Backwards in Context Common Errors, Counting Backwards in Context Common Errors in Examinations, which build directly on this idea.
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