Year 2: Adding money in the same unit
Part of the Year 2 money chapter. Chapter overview · whole chapter on one page
Adding money in the same unit
We can add money in the same unit.
Add the pence to pence. Add the pounds to pounds.
When the total is 100p or more, change it to pounds.
120p is the same as £1.20.
Key ideas
- Add pence to pence, and pounds to pounds.
- 100p is the same as £1.
- 120p is written as £1.20.
- Check your answer: is it about right?
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 25p. Start with the biggest amount. Then count on.25p
- Add 12p. Add the next amount to the total so far.25p + 12p = 37p
- Write the answer. 37p
Check. Add them in a different order: 12p + 25p = 37p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 45p. Start with the biggest amount. Then count on.45p
- Add 30p. Add the next amount to the total so far.45p + 30p = 75p
- Write the answer. 75p
Check. Add them in a different order: 30p + 45p = 75p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 60p. Start with the biggest amount. Then count on.60p
- Add 60p. Add the next amount to the total so far.60p + 60p = 120p
- Change pence to pounds. 100p is the same as £1.120p = £1.20
- Write the answer. £1.20
Check. Add them in a different order: 60p + 60p = 120p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Watch out
Watch out: 60p + 60p is not 1206. Add the pence: 60 + 60 = 120, so 120p. Then write £1.20.
Exam tip
Grown-up tip. Use real coins. Ask: “Can you make 100p with these coins? How much more is that than 50p?”
Exercise 6D Adding money in the same unit
Non-calculatorMethod. Add the amounts together. Start with the biggest one, then count on.
- Start with 20p. Start with the biggest amount. Then count on.20p
- Add 5p. Add the next amount to the total so far.20p + 5p = 25p
- Write the answer. 25p
Check. Add them in a different order: 5p + 20p = 25p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 30p. Start with the biggest amount. Then count on.30p
- Add 12p. Add the next amount to the total so far.30p + 12p = 42p
- Write the answer. 42p
Check. Add them in a different order: 30p + 12p = 42p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 40p. Start with the biggest amount. Then count on.40p
- Add 40p. Add the next amount to the total so far.40p + 40p = 80p
- Write the answer. 80p
Check. Add them in a different order: 40p + 40p = 80p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 60p. Start with the biggest amount. Then count on.60p
- Add 60p. Add the next amount to the total so far.60p + 60p = 120p
- Change pence to pounds. 100p is the same as £1.120p = £1.20
- Write the answer. £1.20
Check. Add them in a different order: 60p + 60p = 120p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with £3. Start with the biggest amount. Then count on.£3
- Add £2. Add the next amount to the total so far.£3 + £2 = £5
- Write the answer. £5
Check. Add them in a different order: £3 + £2 = £5. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 100p. Start with the biggest amount. Then count on.100p
- Add 100p. Add the next amount to the total so far.100p + 100p = 200p
- Add 50p. Add the next amount to the total so far.200p + 50p = 250p
- Change pence to pounds. 100p is the same as £1.250p = £2.50
- Write the answer. £2.50
Check. Add them in a different order: 50p + 100p + 100p = 250p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 35p. Start with the biggest amount. Then count on.35p
- Add 14p. Add the next amount to the total so far.35p + 14p = 49p
- Write the answer. 49p
Check. Add them in a different order: 14p + 35p = 49p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 55p. Start with the biggest amount. Then count on.55p
- Add 45p. Add the next amount to the total so far.55p + 45p = 100p
- Write the answer. 100p
Check. Add them in a different order: 55p + 45p = 100p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Add the amounts together. Start with the biggest one, then count on.
- Start with 75p. Start with the biggest amount. Then count on.75p
- Add 50p. Add the next amount to the total so far.75p + 50p = 125p
- Change pence to pounds. 100p is the same as £1.125p = £1.25
- Write the answer. £1.25
Check. Add them in a different order: 75p + 50p = 125p. ✓
Watch out. Add the amounts in the same unit. Pence with pence, pounds with pounds.
Method. Work out the amount, then decide if the claim is right.
- Work it out. Add the amounts in pence.20p + 20p + 20p = 60p
- Compare with what is said. Ben says three 20p coins make £1.It does not match
- Decide. Three 20p coins make 60p, not £1, so Ben is not right.No
Check. Check the sum again: 20p + 20p + 20p = 60p. ✓
Watch out. Add all the amounts, not just some of them.
Method. Add each person’s coins. The bigger total has more money.
- Add Ruby’s coins. Find the total of the coins.50p + 20p = 70p
- Add Ben’s coins. Find the total of the coins.50p + 20p + 5p = 75p
- Compare the totals. The bigger total has more money.75p is more than 70p
- Write the answer. Ben has more money.
Check. Compare the numbers: 75 is bigger than 70. ✓
Watch out. Add all the coins each person has before you compare.