24 September, S1 - 9/M7*

Title: Order of Operation

Room 28

Learning Objectives

Grade F

To be able to recall the order in which we add, subtract, multiply and divide numbers.

What is 10 + 2 x 3 and why?

Grade E

To be able to recall BIDMAS and explain how to use it to find the correct order of operations.

What is (10 + 2) x 32 and why?

Resources

Grade F

Countdown Puzzle

Grade E

Ten Ticks, 5, 5, page 3

BIDMAS Sorting from Ten Ticks

Ask students to put together a poster to explain BIDMAS

Homework
To finish the BIDMAS Sorting from Ten Ticks and email to me by Saturday evening. 

Learning Objective for next lesson:

Grade F

To be able to explain a method for rounding decimal numbers to a specific number of places.

How do we round 1.27 to one decimal place?

Grade E

To be able to demonstrate how to round numbers to a given number of significant figures.

How do we round 1.27 to 2 significant figures?