Q: Find 25% of £80. 🧮 Formula: To find a percentage: ____ ____ (____ ____ ____) 80 ? 25 ? by 100 = 20 Q: What is ⅓ of 90? 🧮 Formula: To find a fraction of a number: Divide by the ____, then multiply by the ____ 90 ? 3 ? 1 = 30 Q: Convert ¾ to a percentage. 🧮 Formula: ____ number divided by ____ number ____ ____ = percentage 3 ? by 4, ? 100 = 75 Q: Share £120 in the ratio 2:1. 🧮 Formula: ____ parts of the ratio → ____ total by that number → ____ by each part 2 ? 1 = 3 parts £120 ? 3 = £40 → 2 parts = £80, 1 part = £40 Q: A room is 4 metres long and 3 metres wide. What is the area? 🧮 Formula: Area = ____ × ____ Q: A room is shown as 3 cm long on a scale drawing. The scale number is 1:50. What is the real length? 🧮 Formula: Real size = Scale ____ × Scale ____ 3 × 50 = 150 cm or 1.5 metres Q: A jacket costs £80. It has a 25% discount. How much money is taken off? 🧮 Formula: Discount = ____ price × (____ % ____ ____) £80 ? (25 ? 100) = £20 discount Final price = £80 ? £20 = £60 Q: What percentage is 30 out of 120? 🧮 Formula: Percentage = (____ number ÷ ____) × ____ (30 ? 120) ? 100 = 25% Q: You invest £200 for 2 years at 5% simple interest per year. How much interest do you get? 🧮 Formula: Interest = (____ × Rate × Time) ÷ ____ (200 × 5 ? 2) ? 100 = £20

Recap (RED)

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?