- Round these numbers to 1 significant figure (1sf):
1) 172 → 200
2) 74 → 70
3) 128 → 100
4) 583 → 600
5) 3182 → 3000
6) 4621 → 5000
7) 27.38 → 30
8) 1.827 → 2
9) 73.62 → 70
10) 1627 → 2000
11) 3.821 → 4
12) 52.7 → 50
13) 0.028 → 0.03
14) 0.172 → 0.2
15) 8096 → 8000
- Round these numbers to 2 significant figures (2sf):
1) 172 → 170
2) 127 → 130
3) 609 → 610
4) 442 → 440
5) 2187 → 2200
6) 3019 → 3000
7) 12.6 → 13
8) 31.25 → 31
9) 80.62 → 81
10) 4.282 → 4.3
11) 3.092 → 3.1
12) 2.038 → 2.0
13) 0.256 → 0.26
14) 0.723 → 0.72
15) 0.066 → 0.066
- Write the numbers below in the correct place:
Rounds to 10 to 1sf: 12, 14.8, 7.25, 13.4, 14, 14.5
Rounds to 15 to 2sf: 15.9, 15.3, 16
Parent Tip: Review the logic above to help your child master the concept of significant digits worksheet.
