26 September 2012

26 September, S3 - 9/M7*

Title: Rounding
Room 28
Learning Objectives
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?

Resources
Grade G


Ten Ticks - 4, 3, page 7 (8 as extension)


Grade F


Grade E
Tarsia - Rounding
Ten Ticks - 6, 3, page 19 (bottom of page). 


Homework
Learning Objectives for next lesson:

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?

Grade D
To be able to demonstrate how to estimate the values of calculations involving positive numbers greater than one.
What is your estimate of (12.5 x 1.23)/12.3 and how did you work this out?

Due
A poster, presentation or video explaining how to add and subtract positive and negative numbers.