Subject: Maths
Instruction: Do this work in your classwork copy.
1. Write five rational numbers between 0 and 1.
2. Find five numbers between 1/2 and 1/4.
3. Solve the equations and check the results:
★ 3x = 2x + 18
★ x = 4/5 (x + 10)
★ 8x + 4 = 3(x - 1) + 1
★ 3m = (5m - 8) / 5
4. Solve:
★ 6x + 1/3 + 1 = x - 3/6
★ n/2 - 3n/4 + 5n/6 = 21
5. Write squares of numbers from 10 to 30.
6. Find the square without actual multiplication for 39 and 42.
7. Find the square root by long division method of:
3136, 7921, 5776, and 3241.
8. Find the length of the side of the square whose area is 44 m².
9. In right-angled triangle ABC, ∠B = 90°:
★ If AB = 6 cm, BC = 8 cm, find AC.
★ If AC = 13 cm, BC = 5 cm, find AB.
10. Write the cube of numbers from 1 to 20.
11. Multiply:
★ (x - 4) and (2x + 3)
★ (x - y) and (3x + 5y)
★ (a + 7) and (b - 5)
★ (a² + 2b²) and (5a - 3b)
12. Multiply:
★ (a + 7)(2a² + 3a + 4)
13. Simplify:
★ (a + b)(2a - 3b + c) - (2a - 3b)c
★ (x² - 5)(x + 5) + 25
★ (t + 5)²(t² - 5)
