M312 Semester 1 Final Review

Solve: (2×10)+4

• 20

• 26

• 7

• 24

Solve: (3+12)-3²

• 4

• 6

• 2

• 7

8²-7²

• 5
• 2
• 15
• 1

3²+4²-(4x2)

• 14
• 9
• 9
• 17

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

(7 + 41) ÷ 2 – 15 =

• 19
• 9
• 25
• 3

18 + (6 – 2) × 2 =

• 26
• 29
• 44
• 40

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

(82 ÷ 2) × 3 – 17 =

• 206

• 100

• 106

• 5