1. write as extended form 2. 30% of the competitors 3. Which is not equal to 0.64? A. representing a club received a medal. 0.8 x 0.8 B. If there were 40 players then how many players got medals? 0.32 + 0.32 C. 12.8 0.2 Use index law 1 – 0.36 x = 85 ÷82 = 4. write in simple form (Surds) 5. The price of a television was $900. 6. The ratio of boys to girls was 5 to 2. During a sale this price was reduced If there are 8 boys then how many = √18 √9 x2 = 3√2 by 10%. Which calculation gives the girls in the class. sale price? (use heading, information ,cross multiply and divide method). √75 900 –10 900 – 0.1 √32 900 x 0.1 √200 900 x 0.9 7. What is 8. Which shows 40 written as a 9. Write algebraic expressions for the Find Square root product of its prime factors? following √100 2 x 4 x 5 Sum of 5 and d 2 x 5 x 3 The product of 3 and b √64 2 x 2 x 3 x 5 2 x 2 x 2 x 5 m is subtracted from 8 √676 √484 the sum of b and 10 divided by 9
1. write as extended form A. B. C. Use index law x = 85 ÷82 = 2. 30% of the competitors representing a club received a medal. If there were 40 players then how many players got medals? 3. Which is not equal to 0.64? 0.8 x 0.8 0.32 + 0.32 12.8 0.2 1 – 0.36 4. write in simple form (Surds) √18 = √9 x2 = 3√2 √75 √32 √200 5. The price of a television was $900. During a sale this price was reduced by 10%. Which calculation gives the sale price? 900 –10 900 – 0.1 900 x 0.1 900 x 0.9 6. The ratio of boys to girls was 5 to 2. If there are 8 boys then how many girls in the class. (use heading, information ,cross multiply and divide method). 7. What is Find Square root √100 √64 √676 √484 8. Which shows 40 written as a product of its prime factors? 2 x 4 x 5 2 x 5 x 3 2 x 2 x 3 x 5 2 x 2 x 2 x 5 9. Write algebraic expressions for the following Sum of 5 and d The product of 3 and b m is subtracted from 8 the sum of b and 10 divided by 9
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