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PPT to solve word problems
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I’m thinking of a number…
I’m thinking of a number:
I add 8, the answer is 22.
What number was I thinking of?
14
I’m thinking of a number:
I subtract 12, the answer is 13.
What number was I thinking of?
25
I’m thinking of a number:
I times it by 4, the answer is 36.
What number was I thinking of?
9
I’m thinking of a number:
I divide it by 5, the answer is 20.
What number was I thinking of?
100
I’m thinking of a number:
I double it and add 6, the answer is 56.
What number was I thinking of?
25
I’m thinking of a number:
I halve it and add 11, the answer is 56
What number was I thinking of?
90
Can you think of a similar problem for your partner to
solve?
WALT:
SOLVE ONE AND TWO-STEP WORD PROBLEMS
WILF: I can use the RUCSAC methodRead the question carefully so that you understand itUnderline any important words or numbersChoose the operation (+ - x or ÷)Solve the calculation using a mental or written method that you have been taughtAnswer the question in its contextCheck your working out with another method
Can you also:- Use and apply taught calculation methods and explain what you did?- Understand when to round up or down after division?- Convert amounts to the same unit and know some equivalences?- Work with metric and imperial measures, including time and money?