1. Percentage – Increase – Calculator – Four in a Row
Competing in pairs, students should select a question on the left
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!

2. 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’.

3. % % % % % % % % % % % % % % % % % % % % % % % % %
4 in a Row
Choose a question from the left.
Find, then mark (X or O) the answer below.
The first player to get 4 in a row wins!
Answer Grid
234
1092
2048
767
798
932
756
480
806
420
253
780
336
1175
720
1435
648
1221
1026
143
1232
748
374
552
869
Questions 1

4. % % % % % % % % % % % % % % % % % % % % % % % % %
4 in a Row
Choose a question from the left.
Find, then mark (X or O) the answer below.
The first player to get 4 in a row wins!
Answer Grid
2325
752.1
853.2
602.7
790.5
998.3
488.4
1610.2
537.6
1465.2
666.9
824.2
1993.6
402.6
1094.4
665.5
679.8
191.1
1402.5
946
400.8
858.6
195.6
377.2
349.8
Questions 2

5. % % %
70 + 4% % % % % % % % % % % % % % % % % % % % % %
4 in a Row
Choose a question from the left.
Find, then mark (X or O) the answer below.
The first player to get 4 in a row wins!
Answer Grid
103.2
80.4
356.2
270.6
190.8
108.5
116.8
703.8
117.3
65.2
909.5
748.3
607.05
720
460.2
844.8
987
814.8
889.4
760.2
1617
1239.7
72.8
88.6
1184.2
Questions 3

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