Free Grade 3 Introduction to Introducing Counterexamples Common Errors Lessons
Free Grade 3 lessons for Introduction to Introducing Counterexamples 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
Foundation
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introduction to introducing counterexamples common errors
Identify introduction to introducing counterexamples common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introduction to introducing counterexamples common errors
Explain introduction to introducing counterexamples common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introduction to introducing counterexamples common errors
Calculate introduction to introducing counterexamples common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introduction to introducing counterexamples common errors
Compare introduction to introducing counterexamples 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 Introducing Counterexamples 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: 8, 10, 12, 14, __, __[1]
- 2.Count on in 2s: 16, 18, 20, 22, __, __[1]
- 3.Count on in 1s: 1, 2, 3, 4, __, __[1]
- 4.Count on in 2s: 10, 12, 14, 16, __, __[1]
- 5.Count on in 2s: 14, 16, 18, 20, __, __[2]
- 6.Count on in 5s: 140, 145, 150, 155, __, __[2]
- 7.Count on in 5s: 130, 135, 140, 145, __, __[2]
- 8.Count on in 2s: 42, 44, 46, 48, __, __[2]
- 9.Count on in 5s: 205, 210, 215, 220, __, __[3]
- 10.Count on in 10s: 140, 150, 160, 170, __, __[3]
- 11.Count on in 10s: 260, 270, 280, 290, __, __[3]
- 12.Count on in 10s: 270, 280, 290, 300, __, __[3]
Show answers and working
1. 16, 18
Each number is 2 more than the one before. 14 + 2 = 16 16 + 2 = 18
2. 24, 26
Each number is 2 more than the one before. 22 + 2 = 24 24 + 2 = 26
3. 5, 6
Each number is 1 more than the one before. 4 + 1 = 5 5 + 1 = 6
4. 18, 20
Each number is 2 more than the one before. 16 + 2 = 18 18 + 2 = 20
5. 22, 24
Each number is 2 more than the one before. 20 + 2 = 22 22 + 2 = 24
6. 160, 165
Each number is 5 more than the one before. 155 + 5 = 160 160 + 5 = 165
7. 150, 155
Each number is 5 more than the one before. 145 + 5 = 150 150 + 5 = 155
8. 50, 52
Each number is 2 more than the one before. 48 + 2 = 50 50 + 2 = 52
9. 225, 230
Each number is 5 more than the one before. 220 + 5 = 225 225 + 5 = 230
10. 180, 190
Each number is 10 more than the one before. 170 + 10 = 180 180 + 10 = 190
11. 300, 310
Each number is 10 more than the one before. 290 + 10 = 300 300 + 10 = 310
12. 310, 320
Each number is 10 more than the one before. 300 + 10 = 310 310 + 10 = 320
Worked examples
Count on in 1s: 6, 7, 8, 9, __, __
- Each number is 1 more than the one before.
- 9 + 1 = 10
- 10 + 1 = 11
- Answer: 10, 11
Count on in 2s: 54, 56, 58, 60, __, __
- Each number is 2 more than the one before.
- 60 + 2 = 62
- 62 + 2 = 64
- Answer: 62, 64
Count on in 10s: 70, 80, 90, 100, __, __
- Each number is 10 more than the one before.
- 100 + 10 = 110
- 110 + 10 = 120
- Answer: 110, 120
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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- Start with Introducing Counterexamples Word Problems. Each one has its own free lesson, worksheet and quiz.
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