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.