1. MENTAL MATH
Here We Go…

2. Problem 1
4 ½ + 5 ½

4. Problem 2
50 x 14

6. Problem 3 1,

8. Problem 4
6,500 – 200 – 3,000

10. Problem 5
6 at $4.99

12. Problem 6
¾ - 10

14. Problem 7

16. Problem 8
9 x 400

18. Problem 9
21 x 21

20. Problem 10

22. Problem 11
(720 ÷ 8) – (140 x 0)

24. Problem 12

26. Problem 13
-4 + (-7) – (+2)

28. Problem 14 1,

30. Problem 15
0.22 < 1/5 (True or False?)

32. Problem 16
5 x 54

34. Problem 17
31 x 4

36. Problem 18
381 – 120

38. Problem 19
x 1/3

40. Convert: 2 hectoliters = __ deciliters
Problem 20
Convert: 2 hectoliters = __ deciliters