Help Your Kids with Maths (UK Edition)
Format: PDF / Kindle (mobi) / ePub
A simple, visual guide to helping children understand maths with Carol Vorderman
Reduce the stress of studying maths and help your child with their homework, following Help Your Kids with Maths a unique visual guide which will demystify the subject for everyone.
Updated to include the latest changes to the UK National Curriculum and with additional content on roman numerals, time, fractions and times tables, Help Your Kids with Maths helps you solve maths problems step-by-step. Using clear, accessible pictures and diagrams - and covering everything from basic numeracy to more challenging subjects like statistics and algebra - you'll learn to approach even the most complex maths problems with confidence. Includes a glossary of key maths terms and symbols.
Help Your Kids with Maths is the perfect guide for every frustrated parent and struggling child, who wants to understand maths and put it into practise.
of $/£1.20 each. How much will the price be for 20 t-shirts? 20 2 × 10 ◁ Finding the answer To multiply 2 by 10 add a 0 to the 2. Multiplying 2 people by 10 results in an answer of 20. t-shirt for sale 1 price of 10 t-shirts in $/£ 1.2 × 10 1.20 ×10 20 t-shirts for sale 12.0 20 12 × 2 ×2 24.0 ◁ Finding the answer First multiply the price by 10, here by moving the decimal point one place to the right, and then double that to give the final price of $/£24. price of 20 t-shirts in
example, a distance in kilometres to 3 decimal places would be accurate to a thousandth of a kilometre, which is equal to a metre. 2 decimal places (2 d.p.) 9.154 the digit after the third decimal place is 6 (9.1536), so round up Decimal places Rounded to Example 1 ⁄ / / 1.1km 2 3 1.14km 1.135km 3 decimal places (3 d.p.) Significant figures 1 signiﬁcant ﬁgure A signiﬁcant ﬁgure in a number is a digit that counts. The digits 1 to 9 are always signiﬁcant, but 0 is not.
straight line 0 outer scale is used to measure this obtuse angle 0 14 ▷ Drawing lines A ruler is also used as a straight edge when drawing lines between two points. ◁ Measuring lines Use a ruler to measure straight lines or the distance between any two given points. 0 10 20 30 180 170 16 0 1 50 40 140 line AB ▽ Measuring angles Use a protractor to measure any angle formed by two lines that meet at a point. ▽ Drawing angles When given the size of an angle, use a protractor to measure and
triangles? Similar triangles are made by making bigger or smaller copies of a triangle – a transformation known as enlargement. Each of the triangles have equal corresponding angles, and corresponding sides that are in proportion to one another, for example each side of triangle ABC below is twice the length of each side on triangle ABC. There are four diﬀerent ways to check if a pair of triangles are similar (see p.126), and if two triangles are known to be similar, their properties can be
brackets and multiplying the result by an x outside. x + x( ? ? + ? ? ) + Looking back at the original quadratic expression, it is possible to see that the numerical terms are added to give b, and multiplied to give c. ? ? squared term x × x ax + number terms are added to give b x+??x + numerical terms multiplied by x bx ? ? ? ? numerical terms multiplied together + number terms are multiplied to give c ? ? ? ? c 177 FORMULAS A= Formulas SEE ALSO IN MATHS, A FORMULA IS