Order of Operations/Expressions & Equations
Solve: 4x=28
Answer: x = 7
Find the area of a rectangle with length 8 and width 5.
Answer: 40 square units
Solve: 32
Answer: 3 x 3 = 9
A bus holds 45 students. If 3 buses are full, how many students is that?
Answer: 135
What is the next number in this pattern?
3, 6, 9, 12, ___
Answer: 15
Solve:
3x+5=20
Answer: x = 5
Find the perimeter of a triangle with sides 6, 9, and 11.
Answer: 26
Solve: 53
Answer: 5 x 5 x 5 = 125
A shirt costs $18. You buy 3 shirts. How much do you pay?
Answer: $54
Find the missing number:
2, 4, 8, 16, ___, 64
Answer: 32
2+2, 4+4, 8+8, 16+16
Solve: 6+3×4
Answer:
Multiply first → 3 × 4 = 12
Then add → 6 + 12 = 18
Find the perimeter of a rectangle with length 6 and width 4.
Answer:
2(6 + 4) = 20
Solve: 24+32
Answer: 16 + 9 = 25
2 x 2 x 2 x 2 = 16
3 x 3 = 9
A number is multiplied by 6 and equals 42. What is the number?
Answer: 7
The pattern is: 5, 10, 20, 40, ___
What number comes next?
Answer: 80
5+5, 10+10, 20+20, 40+40
Solve: 18 ÷ 3 + 4
(remember order of operations!)
Answer: 6 + 4 = 10
A square has area 64. What is the side length?
Answer: 8
Solve:
52 + 23
Answer: 25 + 8 = 33
5 x 5 = 25
2 x 2 x 2 = 8
A movie is 2 hours long. How many minutes is that?
Answer: 120 minutes
Pattern: 3, 6, 12, 24, ___
Answer: 48
3+3,6+6,12+12,24+24
Solve:
20 − 3(4) =
Answer: 20 − 12 = 8
Two angles of a triangle measure 48° and 67°.
What is the measure of the third angle?
Answer:
48° + 67° = 115°
180° − 115° = 65°
Solve:
33÷31
Answer: 32 = 9
Subtract exponents → 32
A train travels 60 miles per hour for 3 hours. How far does it travel?
Answer: 180 miles
Pattern: 1, 2, 4, 8, 16, ___
Answer: 32
1+1,2+2,4+4,8+8,16+16