maintenance2

Monday: Finding a percentage of a quantity: 1. 10% of 50 2. 40% of 60 3. 10% of 85 4. 60% of 70 5. 80% of 110 6. 30% of 48 7. 25% of 36 8. 25% of 84 9. 75% of 80 10. 90% of 54

Tuesday: 1. Place the sign +, -, x, ÷ in the gaps to make each statement true. 5 _ 3 _ 8 = 29 17 _ 18 _ 3 = 11 34 _ 7 _ 4 = 6 54 _ 9 _ 5 = 9 2. 7.15 x 1000 = 3. 29.5 ÷ 10 = 4. 47 x 10 = 5. 81.7 ÷ 100

Wednesday: Write in standard form 1. 4.6 x 10^(3) 2. 5.2 x 10^(-2) Write in scientific notation 1. 25000 2. 0.00097 Round to 1 decimal place 1. 9.37 2. 3.83 3. 4.65

Thursday: Round to 2 significant figures 1. 643 2. 849 3. 392 Find the square roots of: 1. 121 2. 81 3. 225 Estimate the square roots of these numbers, rounded to 1 dp 1. 45 2. 15 3. 96

4. 15 out of 60 pupils have been to the movies in the past two months. What percentage is this? 5. Ken saves 30% of his wages each week. If he earns $290 per week, how much does he save?