Missing Numbers - Addition and Subtraction
Learning Intentions
Outcomes (Australian Curriculum for NSW)
MA2-2WM MA2-3WM MA2-5NA Task Outline
Use addition and subtraction strategies to solve the problem listed below. |
Success Criteria
Resources
Mathematics Book and pencil Reflective Responses
Were you able to find more than one solution? What strategies did you use to solve the problem? (Eg Find a Pattern, Guess & Check etc) What I found interesting about this task was… What I found difficult about this task was… Next time I’d like to… I know I have been successful because... |
WHAT TO DO:
- Read the problem below.
- Read the instructions carefully.
- Using your mathematics book or a google doc or drawing, record all your attempts to solve the problem.
- Once you have found a possible solution check your answer.
- Record your answers to the Reflective Questions above.
- Are you able to find any other possible solutions and record them?
The Problem
Your teacher is looking for some help. They wrote a number algorithm on the whiteboard but accidentally rubbed out part of the problem. Can you help them solve the problem?
This is what was left on the whiteboard.
_ _ _ _ +
_ _ _ _
_______
5 0 0 0
Record all your answers in your mathematics and show your working.
This is what was left on the whiteboard.
_ _ _ _ +
_ _ _ _
_______
5 0 0 0
Record all your answers in your mathematics and show your working.