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Mortar Trades: Measurement and Calculations

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Trade Specific Resources

Symbols & Definitions

Worksheets

The Basics

Order of Operations - BIMDAS, PEMDAS & BODMAS
Games and Practice

Using a Calculator

Decimals & Percentages

Using Negative Numbers

A number line showing negative and positive integers, with an arrow pointing to the left displaying negative numbers, and an arrow pointing to the right displaying positive numbers. The numbers shown go from negative four to positive four, with a zero in the middle.

Number-line-4 by Rumil. Wikimedia. Under CC-0 1.0 licence.

Fractions

Ratios

Indices

Equations

Geometry & Angles

Triangles
 

The different types of triangles. Triangles sorted by side. Equilateral triangles have three equal sides all angles are sixty degrees. Isosceles triangles have two equal sides and two equal angle and Scalene triangles have no equal sides and no equal angles. And triangles identified by Angle include, Right triangles, where one angle is ninety degrees, acute triangles, where all angles have less than ninety degrees and finally obtuse triangles, where one angle greater than ninety degrees.

“Different types pf triangles vector image” by aboabdelah licensed from Adobe Stock. 

Other Shapes and Calculations

An illustration of quadrilaterals, or four sided shapes. Showing, from left to right on the top row: Irregular quadrilateral as it is called in U K English or Trapezium in U S A, no sides are parallel. A Trapezium as it is called in the U K, or Trapezoid as it is called in the U S A, where two sides are parallel. An isosceles trapezium - U K or isosceles trapezoid U S A, where one pair of opposing sides of the shape are opposite and the other pair are parallel. And on the second row, A Kite, which has two pairs of adjacent sides that are of equal length, a rhombus, which has four sides of equal length but the angle of adjacent corners are different. A rectangle where each corner has a 90 degree angle. And finally, a square, where all four sides are equal and all four corners are 90 degrees.

“Quadrilaterals vector illustration. Labeled four side geometrical ornaments” by VectorMine licensed from Adobe Stock. 

Area & Volume