Reception Maths: Counting on from the bigger number
Part of the Reception Maths adding within 10 chapter. Chapter overview · whole chapter on one page
Counting on from the bigger number
Ruby has 6 stickers. She gets 2 more. She does not count from 1 again.
Start at the bigger number, 6. Then count on 2 more: 7, 8. The answer is 8. Starting at the bigger number is quicker.
Key ideas
- Start at the bigger number.
- Count on the smaller number.
- The last number you say is the total.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 6. It is the bigger number, so we start there.6
- Count on 2 more. Say each number as you count on.6, 7, 8
- Write the answer. The last number you say is the total.8
Check. Count back 2 from 8: you get to 6. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 7. It is the bigger number, so we start there.7
- Count on 2 more. Say each number as you count on.7, 8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 2 from 9: you get to 7. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 5. It is the bigger number, so we start there.5
- Count on 3 more. Say each number as you count on.5, 6, 7, 8
- Write the answer. The last number you say is the total.8
Check. Count back 3 from 8: you get to 5. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Watch out
Watch out: count on from the bigger number, then count the smaller number. Do not count the start number again.
Exam tip
Grown-up tip. Use a row of stairs or a number track. Start on the bigger number, then climb the smaller number of steps. Ask: “Which number did you start on?”
Exercise 5C Counting on
Non-calculatorKey words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 7. It is the bigger number, so we start there.7
- Count on 2 more. Say each number as you count on.7, 8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 2 from 9: you get to 7. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 7. It is the bigger number, so we start there.7
- Count on 2 more. Say each number as you count on.7, 8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 2 from 9: you get to 7. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 5. It is the bigger number, so we start there.5
- Count on 3 more. Say each number as you count on.5, 6, 7, 8
- Write the answer. The last number you say is the total.8
Check. Count back 3 from 8: you get to 5. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 5. It is the bigger number, so we start there.5
- Count on 3 more. Say each number as you count on.5, 6, 7, 8
- Write the answer. The last number you say is the total.8
Check. Count back 3 from 8: you get to 5. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 6. It is the bigger number, so we start there.6
- Count on 4 more. Say each number as you count on.6, 7, 8, 9, 10
- Write the answer. The last number you say is the total.10
Check. Count back 4 from 10: you get to 6. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 8. It is the bigger number, so we start there.8
- Count on 1 more. Say each number as you count on.8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 1 from 9: you get to 8. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 8. It is the bigger number, so we start there.8
- Count on 1 more. Say each number as you count on.8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 1 from 9: you get to 8. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 4. It is the bigger number, so we start there.4
- Count on 3 more. Say each number as you count on.4, 5, 6, 7
- Write the answer. The last number you say is the total.7
Check. Count back 3 from 7: you get to 4. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 7. It is the bigger number, so we start there.7
- Count on 2 more. Say each number as you count on.7, 8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 2 from 9: you get to 7. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Key words. Count on means start at one number and keep counting up.
Method. Start at the bigger number. Then count on the smaller number.
- Start at 6. It is the bigger number, so we start there.6
- Count on 3 more. Say each number as you count on.6, 7, 8, 9
- Write the answer. The last number you say is the total.9
Check. Count back 3 from 9: you get to 6. ✓
Watch out. Start with the bigger number, not the smaller one. It takes fewer steps.
Method. Count on from the bigger number.
- Look at 6 + 2. Start at 6 and count on 2 more.6, 7, 8
- Look at 2 + 6. Start at 2 and count on 6 more, which is longer.2, 3, 4, 5, 6, 7, 8
- Write the answer. 6 + 2, because you start at 6 and count on 2.
Check. Both give 8, but counting on 2 is quicker. ✓
Watch out. Start with the bigger number to take fewer steps.
Method. Think about how many steps you need to count.
- Start at the bigger number. It is the first number you say.bigger first
- Count on the smaller number. Fewer steps are needed.fewer steps
- Write the answer. Accept any answer: there are fewer steps to count on, so it is quicker.
Check. Count both ways to see the same total. ✓
Watch out. Fewer steps means less chance of a mistake.