BUILD FLUENCY. EARN YOUR ASCENT.Sign in Year 1
Choose and use addition or subtraction models for practical stories and simple purchases.
Free examples and worked answers. No account needed.
Practise the method.
Choose and use addition or subtraction models for practical stories and simple purchases.
Choose and use addition or subtraction models for practical stories and simple purchases.
Example 1
Ari has 5 cards and gets 10 more. Then Ari gives away 10 cards. How many cards remain?
Show worked answer
Answer: 5
- After getting more: 5+10=15.
- After giving cards away: 15−10=5.
Example 2
A toy costs $8 and a book costs $2. Which calculation finds their total cost in dollars?
Show worked answer
Answer: 8+2
- A total combines both prices.
- Use 8+2; the total cost is $10.
Example 3
A toy costs $8 and a book costs $4. Which calculation finds their total cost in dollars?
Show worked answer
Answer: 8+4
- A total combines both prices.
- Use 8+4; the total cost is $12.
Put it into practice.
Sign in to choose a set, get feedback and keep your progress.