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Showing 257–260 of 260 results

Students learn how to round any number to the nearest 10, 100 and 1000. As learning progresses students begin to...

Students learn how to calculate the limits of accuracy of rounded numbers. As learning progresses they are chal...

Students learn how to estimate solutions by rounding numbers to a significant figure. As learning progresses st...

Students learn how to find the limits of accuracy in calculations using the upper and lower bounds of different ...

January 29, 2019

When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant. It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]January 13, 2019

When calculating instantaneous rates of change students need to visualise the properties of the gradient for a straight line graph. I use the starter activity to see if they can match four graphs with their corresponding equations. The only clue is the direction and steepness of the red lines in relation to the blue line […]January 4, 2019

Fractions, decimals and percentages are ways of showing a proportion of something. Any fraction can be written as a decimal, and any decimal can be written as a percentage. In this blog I discuss how to use the place value table and equivalent fractions to illustrate how fractions, decimals and percentages are connected. You can […]