# Class: Basic 5 Subject: Mathematics Topic: Revision

**Class: Basic 5**

**Subject: Mathematics**

**Topic: Revision**

**Instruction: Answer the following questions by showing all workings. **

**1. Express 37 base 10 in binary.**

**2. The chance of selecting letter ‘P’ from the word ‘PENCIL’ is ____________.**

**3. What is the mean of the given set of numbers: 10, 11,13,11, 9?**

**4. A ____________ is used in measuring and drawing angles. (a) ruler (b) divider (c) protractor**

**5. When the sum of two angles equals 90°, they are called ___________ angles.**

**(a) supplementary (b) complementary (c) co-interior**

**6. What is the supplementary angle of 133°? (a) 47° (b) 43° (c) 227°**

**7. Calculate the volume of a cube of side 9cm**

**(a) 81cm^2 (b) 729cm^3 (c) 36cm^2**

**8. What is the area of a triangle with base 8cm and height 6cm?**

**(a) 48cm^2 (b) 14cm^2 (c) 24cm^2**

**9. Mention two examples of three dimensional shapes.**

**_____________, ______________**

**10. The normal body temperature is ____________**