1. Complete the pattern a) 7, 3, -1, -5, , ,
b) -11, - 8, -5, -2, , ,
2. What will be the sign of the product if you multiply 8 negative integers and 3 positive integers?
3. Evaluate
a) -15× [ (-7) + (-1)] b) 10 × [ (-14) – 10 ]
4. Verify that (-30) × [ 13 + (-3) ] = (-30) × 13 + (-30) × (-3)
5. Can we say [ (-16) ÷ 4 ] ÷ (-2) is the same as (-16) ÷ [ 4 ÷ (-2) ] ?
6. Sushant reads 1 3 part of the book in 1 hour. How much part of the book will he read in 2 1 5 hours?
7. Each side of a regular polygon is 2.5 cm in length. The perimeter of the polygon is 12.5 cm. How many sides does the polygon have?
8. Find 5 rational numbers between - 5 7 − 3 8 .
9. Reduce to standard form
a) −45 30
b) 36 −24
c) −3 −15
d) −18 45
e) −12 18
10.Represent the following rational numbers on the number line
a) - - 3 5 b) 6 11 c) 5 7 d) −2 −9​