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

2. to 3 significant figures
ROUND
to 3 significant figures

3. to 2 significant figures
ROUND
30895
to 2 significant figures

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

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

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

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

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

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

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

11. BRONZE
SILVER
GOLD Q Q Q Q
Q 5. a) b)2
Q 6. a) 1630 b) 1600
Q a) b) c) d) 0.7
Q8 .
a) b) 930 c) d)6600
Q1.
a) b) c) d) 9000
Q2.
b) 0.21
c)26000 d)12000
Q3.
a) b) 3740 c) d) 13.9
Q4. 30 mm/s
Q 1.
a) b) 38 c) d) e) f) 275
Q kg
Q km
Q4 .
15000
19500
20000