Detailed Explanation of Even or Odd Numbers 🔢
In Year 2 Maths, learning about even or odd numbers is very important. Even numbers are numbers that can be shared into two equal groups, with no leftover. Odd numbers cannot be split into two equal groups and always have one left over.
What Are Even Numbers? ✌️
Even numbers end with 0, 2, 4, 6, or 8. For example, 2, 4, and 10 are even numbers. If you have 6 apples, you can put them into two groups with 3 apples in each group. That means 6 is even.
What Are Odd Numbers? ❓
Odd numbers end with 1, 3, 5, 7, or 9. For example, 1, 3, and 7 are odd numbers. If you have 5 apples, you can try to split them into two equal groups but one apple will be left alone. So, 5 is an odd number.
How to Recognise Even or Odd Numbers 🔍
You can quickly check if a number is even or odd by looking at the last digit:
- If it ends with 0, 2, 4, 6, or 8, it is even.
- If it ends with 1, 3, 5, 7, or 9, it is odd.
Why Is It Important? 🎯
Year 2 children in the UK learn about even or odd numbers because it helps them understand how to organise numbers and solve problems involving sharing and grouping. Recognising even and odd numbers builds a good foundation for more tricky topics like adding, subtracting, and multiplying.
Simple Examples for Key Stage 1 Students ✅
- Even: 8 (two groups of 4), 12 (two groups of 6)
- Odd: 7 (split into 3 and 4), 13 (split into 6 and 7)
By practising splitting small numbers into pairs, you can get really good at spotting even and odd numbers quickly!
20 Examination-Style Questions with Answers on Even or Odd Numbers for Year 2 Maths 📝
Here are 20 examination-style questions about even or odd numbers for Year 2 Key Stage 1 pupils. These questions check how well you can recognise even and odd numbers, do simple addition or subtraction with them, and solve problems using what you know about even and odd numbers.
Recognising Even and Odd Numbers 🔢
- Is the number 4 even or odd?
Answer: Even - Is the number 7 even or odd?
Answer: Odd - Circle the odd numbers: 2, 5, 8, 11
Answer: 5 and 11 - Which of these numbers is even? 9, 14, 21, 33
Answer: 14 - Write ‘even’ or ‘odd’ next to each number: 10, 15, 22, 27
Answer: 10-even, 15-odd, 22-even, 27-odd
Addition and Subtraction with Even and Odd Numbers ➕➖
- What is even + even?
Answer: Even - What is odd + odd?
Answer: Even - What is even + odd?
Answer: Odd - 5 + 6 = ? Is the answer even or odd?
Answer: 11, odd - 8 + 2 = ? Is the answer even or odd?
Answer: 10, even - 9 – 4 = ? Is the answer even or odd?
Answer: 5, odd - 12 – 7 = ? Is the answer even or odd?
Answer: 5, odd
Problem Solving with Even and Odd Numbers 🧩
- Tom has 7 pencils and he gets 3 more. How many pencils does he have now? Is the answer even or odd?
Answer: 10, even - Sarah had 10 balloons and gave away 5. How many are left? Is it even or odd?
Answer: 5, odd - There are 4 children and each has 2 apples. How many apples are there in total? Is the answer even or odd?
Answer: 8, even - If you add two odd numbers, what kind of number do you get?
Answer: Even - If you add three odd numbers, what kind of number do you get?
Answer: Odd - Peter has 8 marbles, and his friend gives him 5 more. Is the total number of marbles even or odd?
Answer: 13, odd - Lucy subtracts 3 from an even number 14. Is the result even or odd?
Answer: 11, odd - Find an odd number that when added to 6 gives an odd number.
Answer: Any odd number (for example 1 or 3)
These questions help you to practise spotting even and odd numbers, using addition or subtraction with them, and solving little problems about numbers. Keep practising to become even better!
