MULTIPLICATION & DIVISION
Which expression has the same value as 48 ÷ 6?
A. 6 × 8
B. 48 × 6
C. 48 − 6
D. 6 ÷ 48
A (6 × 8 = 48 ÷ 6 = 8)
Which fraction is equivalent to 6/8?
A. 3/4
B. 2/4
C. 4/6
D. 5/8
A (3/4)
Which is equal to 0.6 × 10?
A. 0.06
B. 6
C. 60
D. 0.6
B (6)
How many faces does a rectangular prism have?
6
There are 54 students. Each group has 8 students.
How many full groups can be made?
How many students are left over?
6 groups, 6 students left
A student solves 32 × 15 by doing:
32 × 10 = 320
32 × 5 = 160
Then adds the results.
What is the final answer?
480
Which is true?
A. 2/3 > 3/4
B. 3/4 > 2/3
C. 2/3 = 3/4
D. Cannot be compared
B (3/4 is greater)
Which is greater?
A. 2.35
B. 2.305
C. 2.5
D. 2.50
C and D (both equal and greatest)
A square has a side length of 9 cm.
What is its perimeter?
36 cm
A store sells notebooks in packs of 6.
You need 50 notebooks.
How many packs must you buy?
9 packs (54 notebooks total)
Which equation is true?
A. 420 ÷ 7 = 70
B. 420 ÷ 6 = 80
C. 420 ÷ 5 = 84
D. 420 ÷ 8 = 60
C (420 ÷ 5 = 84)
What is 3/5 of 20?
Answer: 12
4.8 × 2.5
12
A rectangle has area 72 square units.
One side is 9 units.
What is the other side?
8 units
A movie lasts 2 hours and 35 minutes.
Another movie lasts 1 hour and 50 minutes.
What is the total time?
4 hours 25 minutes
Solve: 1,248 ÷ 6
208
A student says:
“1/2 ÷ 1/4 = 2 because 2 ÷ 4 = 2.”
Explain the mistake and give the correct answer.
Division of fractions means how many groups → 1/2 ÷ 1/4 = 2 groups → answer is 2, but reasoning is incorrect
A student says:
“3.2 ÷ 0.4 = less than 3.2 because division makes numbers smaller.”
Explain why this is incorrect.
Dividing by a number less than 1 makes the result larger → answer is 8
A prism has volume 96 cubic units.
Length = 8, Width = 4
What is the height?
3 units
A runner completes 3.5 miles each day for 5 days.
Then runs 4 miles on the last day.
What is the total distance?
17.5 + 4 = 21.5 miles
A warehouse packs 2,304 items equally into 8 boxes.
Then each box is split into 4 equal sections.
How many items are in each section?
72 items
A class eats 5/6 of a pizza. Then they eat 1/3 of what is left.
What fraction of the original pizza is eaten in total?
5/6 + (1/3 of 1/6) = 5/6 + 1/18 = 16/18 = 8/9
A car travels 3.75 miles per hour for 6 hours.
Then travels 2.5 miles per hour for 4 hours.
What is the total distance?
22.5 + 10 = 32.5 miles
A shape is made from two rectangles:
10 × 2 and 6 × 5
They overlap by a 2 × 2 square.
What is the total area?
20 + 30 − 4 = 46 square units
A school orders juice boxes.
Each case has 18 boxes.
There are 144 students, and each gets 2 boxes.
How many cases are needed?
16 cases