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Student Instructions
How much do you already know about addition and subtraction? Work through these activities to show off your understanding and application.
1. Use 
to start activity.
2. Use 
and 
to answers questions and respond to activity.
3. Use 
to show any other workings.
4. Use 
to take a photo of any of resources used to help you.
5. Use 
to add explanations.
6. Check your work and press 
to upload to 
class journal.
Teacher Notes (not visible to students)
Answers 1. 700, 1300 2. 268 3. 514 4. 59, 36, 116 5. 655 6. 990 7. 621, 300 8. 9, 4 9. 2 ones have been subtracted from 7 ones rather than 7 ones subtracted from 2 ones. The same has been done in the tens column. 10. Subtract 100 and then add 2. 102 - 100 = 2. 2 x 2 = 4.
