The Terrible Time Trial (Times & Divide by 10, 100, 1000)

1. The Terrible Time Trial(Times & Divide by 10, 100, 1000) Your challenge is to beat the computer!!!

2. On the following slides, there will appear different number sentences. You will be asked either to times or divide the numbers by 10, 100 or 1000. Work out the answer and write it onto your whiteboard. Remember, greens are easier than amber and reds are harder than amber. You decide which colour questions you will answer. Remember to be quick. Try and write the answer down before the answer appears. Then you can check if you were correct.

3. Are you ready?

4. 3380 100 x 4.2 42 100 x 12 1200 10 x 14.2 142 100 x 1.64 164 100 x 42.3 4230 140 10 x 14 100 x 14 1400 100 x 33.8 10 x 3.7 37 100 x 5.23 523 100 x 82.3 8230 4200 100 x 42

5. 0.075 37/100 0.37 370/10 37 142/10 14.2 846/100 8.46 64/1000 0.064 12 120/10 46/10 4.6 7.5/100 3.7/10 0.37 4532/100 45.32 52/1000 6.82 0.052 682/100

6. The End!!! How well did you do?