Repeated Percentage Change – Increase – 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, compound interest rate & 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 Compound Interest Rate Term Length £100 5% 2 Years £250 10% 3 Years £350 15% 4 Years £470 Nearest £ Answer Grid 715 304 133 380 532 289 132 386 612 466 116 822 622 110 331 175 463 121 512 544 276 405 366 626 303 425 571 122 569 518 688 146 333 424 437 152

4 in a Row ① 4 in a Row ① Choose a combination of principal, compound interest rate & 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, compound interest rate & 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 Compound Interest Rate Term Length £100 10% 2 Years £200 20% 3 Years £300 30% 4 Years £400 Principal Compound Interest Rate Term Length £100 10% 2 Years £200 20% 3 Years £300 30% 4 Years £400 Nearest £ Answer Grid Nearest £ Answer Grid 169 439 338 659 346 144 622 586 121 293 399 432 1142 173 363 242 571 286 266 857 146 676 133 484 576 288 507 532 415 207 691 829 220 879 518 169 439 338 659 346 144 622 586 121 293 399 432 1142 173 363 242 571 286 266 857 146 676 133 484 576 288 507 532 415 207 691 829 220 879 518

4 in a Row ② 4 in a Row ② Choose a combination of principal, compound interest rate & 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, compound interest rate & 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 Compound Interest Rate Term Length £100 5% 2 Years £250 10% 3 Years £350 15% 4 Years £470 Principal Compound Interest Rate Term Length £100 5% 2 Years £250 10% 3 Years £350 15% 4 Years £470 Nearest £ Answer Grid Nearest £ Answer Grid 715 304 133 380 532 289 132 386 612 466 116 822 622 110 331 175 463 121 512 544 276 405 366 626 303 425 571 122 569 518 688 146 333 424 437 152 715 304 133 380 532 289 132 386 612 466 116 822 622 110 331 175 463 121 512 544 276 405 366 626 303 425 571 122 569 518 688 146 333 424 437 152

4 in a Row ③ 4 in a Row ③ Choose a combination of principal, compound interest rate & 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, compound interest rate & 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 Compound Interest Rate Term Length £50 3% 2 Years £120 7% 3 Years £180 9.5% 4 Years £210 Principal Compound Interest Rate Term Length £50 3% 2 Years £120 7% 3 Years £180 9.5% 4 Years £210 Nearest £ Answer Grid Nearest £ Answer Grid 157 60 236 275 135 66 216 252 191 53 203 206 56 257 173 127 147 72 137 61 240 55 276 158 302 221 144 223 57 259 197 229 131 157 60 236 275 135 66 216 252 191 53 203 206 56 257 173 127 147 72 137 61 240 55 276 158 302 221 144 223 57 259 197 229 131

4 in a Row ④ 4 in a Row ④ Choose a combination of principal, compound interest rate & 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, compound interest rate & 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 Compound Interest Rate Term Length £47 0.5% 2 Years £96 4.3% 3 Years £105 7.25% 4 Years £135.50 Principal Compound Interest Rate Term Length £47 0.5% 2 Years £96 4.3% 3 Years £105 7.25% 4 Years £135.50 Nearest £ Answer Grid Nearest £ Answer Grid 48 130 98 139 107 97 179 54 138 114 53 156 62 109 47 106 167 110 121 127 104 160 124 147 51 154 56 119 118 137 58 48 130 98 139 107 97 179 54 138 114 53 156 62 109 47 106 167 110 121 127 104 160 124 147 51 154 56 119 118 137 58

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