1. 42 x 7

2. Find 15% of 80

3. -23 - 18

4. What is the missing number in the sequence: 1, 4, 9, , 25, 36

5. 1.4 + 3.1 + 4.6

6. What is the product of 3, 5 and 6?

14

21

33

90

7. Add 25 to -38

8. 0.02345 x 1,000

0.2345

2.345

23.45

234.5

9. Round 2.456 to one decimal place

2.4

2.5

2.6

2.55

10. 357 ÷ 7

11. What is the square root of 121?

12. -560 ÷ 8