Repeated Percentage Change – Increase & Decrease – Four in a Row Competing in pairs, students should select a question and calculate an answer. They should attempt to get four answers in a row on the answer grid (using Xs or Os). It may be necessary to set a time limit for students selecting questions! Worksheets increase in difficulty and are in 3 sizes.

Printing To print handouts from slides - Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

4 in a Row ② Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Questions Principal % Change Per Annum Term Length £100 6% 2 Years 15% £200 18% 3 Years −8% £300 −15% Nearest £ Answer Grid 152 397 254 61 456 85 217 265 164 357 132 304 72 112 156 225 234 145 184 329 493 123 238 119 169 78 337 139 418 278

4 in a Row ① 4 in a Row ① Choose a combination of principal % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Questions Questions Principal % Change Per Annum Term Length £100 10% 2 Years 20% £200 30% 3 Years −10% £300 −20% Principal % Change Per Annum Term Length £100 10% 2 Years 20% £200 30% 3 Years −10% £300 −20% Nearest £ Answer Grid Nearest £ Answer Grid 220 266 432 338 173 73 243 128 121 242 162 399 439 64 192 346 154 81 144 659 169 518 133 146 102 363 219 51 507 288 220 266 432 338 173 73 243 128 121 242 162 399 439 64 192 346 154 81 144 659 169 518 133 146 102 363 219 51 507 288

4 in a Row ② 4 in a Row ② Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Questions Questions Principal % Change Per Annum Term Length £100 6% 2 Years 15% £200 18% 3 Years −8% £300 −15% Principal % Change Per Annum Term Length £100 6% 2 Years 15% £200 18% 3 Years −8% £300 −15% Nearest £ Answer Grid Nearest £ Answer Grid 152 397 254 61 456 85 217 265 164 357 132 304 72 112 156 225 234 145 184 329 493 123 238 119 169 78 337 139 418 278 152 397 254 61 456 85 217 265 164 357 132 304 72 112 156 225 234 145 184 329 493 123 238 119 169 78 337 139 418 278

4 in a Row ③ 4 in a Row ③ Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Choose a combination of principal, % change per annum & term length. Find the result in the Answer Grid and mark it (X or O). If there are duplicates, you must choose one! The first player to get 4 in a row wins! Questions Questions Principal % Change Per Annum Term Length £80 0.5% 2 Years 8.5% £95 14.3% 4 Years −7.5% £122 −12.5% Principal % Change Per Annum Term Length £80 0.5% 2 Years 8.5% £95 14.3% 4 Years −7.5% £122 −12.5% Nearest £ Answer Grid Nearest £ Answer Grid 59 169 137 70 47 81 56 94 208 112 93 124 162 144 61 73 111 72 132 82 159 123 96 105 89 104 97 68 59 169 137 70 47 81 56 94 208 112 93 124 162 144 61 73 111 72 132 82 159 123 96 105 89 104 97 68

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk