Starter quiz
- Which of the following numbers are odd?
- 1 ✓
- 2
- 3 ✓
- 4
- 5 ✓
-
- Which of the following numbers are even?
- 11
- 12 ✓
- 13
- 14 ✓
- 15
-
- Consecutive numbers are…
- Numbers that are all even.
- Numbers that follow each other in order, without gaps. ✓
- Numbers that have a ones digit of zero.
-
- Which number is missing in this count? 6, 8, 10, 12, 14, ___, 18
- '16' ✓
- Which of these are consecutive even numbers?
- 2 and 6
- 2 and 8
- 2 and 4 ✓
-
- Which of these are consecutive odd numbers?
- 13 and 15 ✓
- 13 and 17
- 13 and 19
-
Exit quiz
- Which of these equations will have a difference of 1?
- 5 - 3 = ?
- 5 - 4 = ? ✓
- ? = 6 - 4
-
- 15 - 14 = ______
- '1' ✓
- 11 - ______ = 1
- '10' ✓
- The difference between 4 and 6 is ______
- '2' ✓
- When we subtract an odd number from the odd number after, it will have a difference of ______
- '2' ✓
- 15 - 13 = ______
- '2' ✓
Worksheet
Presentation
Video
Lesson Details
Key learning points
- Consecutive numbers have a difference of 1
- Consecutive numbers are one more than the one before.
- Consecutive numbers are one less than the one after.
- Consecutive odd numbers have a difference of 2
- Consecutive even numbers have a difference of 2
Common misconception
Children may not recognise given subtraction calculations that involve consecutive numbers and will resort to other strategies to calculate.
Recording equations alongside concrete or pictorial representations (such as cubes or a number line) will help children to visualise the difference and become more confident in spotting equations that contain consecutive numbers.
Keywords
Consecutive - Numbers which follow each other in order, without gaps.
Odd - Any integer (not a fraction) that cannot be divided exactly by 2 The last digit is 1, 3, 5, 7 or 9
Even - Any integer that can be divided exactly by 2 The last digit is 0, 2, 4, 6 or 8
Difference - The result of subtracting one number from another. Way in which two or more things we are comparing are not the same.