1. Mathsercise-C Rounding Ready? Here we go!

2. Estimate the value of: 1 Rounding 79.7 2.13 x 7.85 Answer Question 2 Round each number to a sensible figure 80 2 x 8 80 16 = 5

3. Estimate this… 2 Rounding 14.74 x 19.3 6.076 + 3.85 Answer Question 3 Round each number to a sensible figure 15 x 20 6 + 4 300 10 = 30

4. Write each of these numbers correct to 1 significant figure.. 3 a) 26,366 b) 0.0004349 c) 45,071 d) 0.050869 Rounding Answer Question 4 30,000 0.0004 50,000 0.05 All answers have only one digit other than 0!

5. Work out the value of: 4 Rounding a) Write all of the figures on the calculator display b) Write down your answer correct to 2 decimal places 6.2 – 7.1 2 0.7 Answer Start It is best to work out the top part on its own! -44.21 0.7 = -63.15714286 = -63.16