Name:

Date:

Grade 10 Arithmetic

Mathematics Department

Lent 2022 Project

20 = _________%

Project – Basic Skills Due Date: Thursday 24th March 2022

Answer ALL questions, and submit this assignment physically to the teacher. Show the steps to receive full marks.

1. The cost of 5 of the same books is $20. What is the cost of 3 of these books? [2]

2. A journey takes 4 hours to complete travelling at a speed of 60 miles per hour. How long will the same journey take travelling at 30 miles per hour? [2]

3. What is the smaller share when $60 000 is divided in the ratio 7:5? [2] 4. Simplify the ratio 20 minutes : 2 hours. [2]

5. Evaluate: 20 − 7 + 12 ÷ 3 × 6 [2]

6. In a certain city the temperature in the morning was −5 °��. By midday the temperature rose by 12 °��. Calculate the temperature at midday. [2]

7. Approximate 23.705 to:

a) 2 decimal places

b) 2 significant figures [2]

8. Write each number in scientific notation.

a) $23 500 000

b) 0.0035 [2]

9. Find the size of each angle marked with a letter.

w x

Give a reason for each answer. [4]47°