Word Probs Ppt

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?