Round 5.47651 to 1 significant figure ( 1 s.f )

to 3 significant figures ROUND 0.0045902 to 3 significant figures

to 2 significant figures ROUND 30895 to 2 significant figures

PRACTICE ROUNDING TO SIGNIFICANT FIGURES 14/04/2016 L/Os: -Revision and practice significant figures rounding .

Population of Lincolnshire is approximately 731555 Round this figure to 1 s.f; 2 s.f and 3 s.f .

INDEPENDENT PRACTICE Choices of Bronze, Silver or Gold - Working out in exercise books. If finish early, move on to next sets .

Round- 0.23 to 1 s.f 0.3 2 A) B) 0.2 3 C) D)

Round- 0.045 to 1 s.f 0.04 0.1 A) B) 0.0 0.05 C) D)

Round- 0.005136 to 2 s.f 0.01 0.0050 A) B) 0.00514 0.0051 C) D)

Round- 426.213 to 2 s.f 426.21 430 A) B) 400.00 420 C) D)

BRONZE SILVER GOLD Q 1. 8 Q 2. 3 Q 3. 7 Q 4. 0 Q 5. a) 5 b)2 Q 6. a) 1630 b) 1600 Q 7. a) 500 b) 30 c) 300 d) 0.7 Q8 . a) 570 b) 930 c)0.063 d)6600 Q1. a)30 b) 1000 c) 0.003 d) 9000 Q2. 3500 b) 0.21 c)26000 d)12000 Q3. a) 9280 b) 3740 c) 124 d) 13.9 Q4. 30 mm/s Q 1. a)0.08 b) 38 c) 85.7 d) 4800 e) 4000 f) 275 Q 2 . 22.8 kg Q 3 . 0.00050 km Q4 . 15000 19500 20000