By B. Webber, T. Barnes
Tips to be outstanding at Algebra presents forty two photocopiable sheets of actions associated with the nationwide Curriculum. the guidelines are new, assorted and enjoyable. The job sheets are designed for fast use within the lecture room and may help and complement no matter what middle arithmetic programme you utilize. very good courses publishes quite a number books for 0-15 yr olds.
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Extra info for How to be Brilliant at Algebra
A-b=2 It is easy to solve this problem using trial and error. a + b = 8. Remember Try a = 6 and b = 2. Also remember Try a - b =2 6 - 2 does not equal 2, so this try is incorrect. a = 5 and b = 3 a - b =2 and 5- 3 = 2, therefore this try was correct. Solve these problems in the same way: a+b a-b 7 5 9 3 13 5 11 5 a b EXTRA! Make up some more of your own and try them on a friend. © Beryl Webber and Terry Barnes This page may be photocopied for use in the classroom only. How to be Brilliant at Algebra 29 Equations, 2 Use trial and error to solve this problem: I have two numbers: a and b When multiplied they make 27: a x b = 27 When the largest is divided by the smallest the answer is 3: What numbers did I use?
4 2 Ie; 6 1 8 How to be Brilliant at Algebra 35 Constant perimeter Tip: The distance round the outside of a shape is called the perimeter. 6cm Perimeter is 2 + 6 + 2 + 6 = 16cm P = 2w + 21 (P = perimeter, W = width, I = length) 6cm ~+-t-t-t-i-~--I The space in the middle of the rectangle is called the area. Area is 2 x 6 2 = 12cm A=wxl Investigate the rectangles you can make that all have a perimeter of 36cm. Use only whole centimetres. Record your results in this table. 1 width 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 length area Plot the width and the area on the graph below.
Investigate121 in other bases. Is 121 in other bases always a square number in base ten? • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • How to be Brilliant at Algebra 34 © Beryl Webber and Terry Barnes This page may be photocopied for use in the classroom only. Digital root patterns Tip: Digital roots are calculated by adding the individual digits of a number. For example: 132 digital root is 1+3+2 =6 276 digital root is 2+7+6 1+5 and = 15 =6 Find the digital roots of the numbers in all the times tables up to 9.
How to be Brilliant at Algebra by B. Webber, T. Barnes