Place Value

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Place Value

Comparing the size of numbers

Students learn about comparing the size of numbers using the place value table.  They use greater and less than ...

Dividing a number by a power of ten

Students learn about dividing a number by a power of ten.  Most able students divide by 0.1, 0.01 and 0.01.  Les...

Multiplying a number by a power of ten

Students learn about multipling a number by a power of ten.  Most able students multiply by 0.1, 0.01 and 0.01. ...

Multiplying and Dividing Numbers by 0.1 and 0.01

Students learn how to use the place value table and written methods to multiply and divide numbers by 0.1 and 0....

Reading and writing numbers on a scale

Students learn about reading and writing numbers on a scale using place value.  Most able students are challenge...

Writing Numbers using Words and Digits

Students learn about writing numbers using words and digits through the place value.  Less able students have ac...

Mr Mathematics Blog

Calculating the Volume of a Pyramid

When calculating the volume of a pyramid we can substitute the values of the length, width and perpendicular height into the formula V = 1/3 lwh.  In my experience this is often provided for the students with little explanation as to why a volume of a pyramid is exactly one third the volume of a […]

Solving 3D Problems using Trigonometry

When teaching solving 3D problems using trigonometry we begin the lesson with a recap of Pythagoras’ Theorem and the three trigonometric ratios.  We do this by matching the ratio and equations to the respective right-angled triangle.   Students are encouraged to work in pairs and to show the diagrams as part of the working out on […]

Rounding to a significant figure

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 […]