Multiply It!
Find the product: 42 × 6
Answer: 252
Find the quotient: 240 ÷ 12
Answer: 20
Is 17 prime or composite?
Prime
What formula finds the volume of a rectangular prism?
Answer: V=l×w×h
A rectangle is 7 ft long and 3 ft wide. What is its area?
21 square feet
Find the product: 135 × 24
Answer: 3,240
Find the quotient: 630 ÷ 15
Answer: 42
Is 35 prime or composite?
Composite
A rectangular prism is 5 cm long, 3 cm wide, and 4 cm high. Find its volume.
60 cubic centimeters
A garden is 6 yards long and 4 yards wide. What is its perimeter?
Answer: 20 yards
Find the product: 408 × 35
Answer: 14,280
Find the quotient: 864 ÷ 24
Answer: 36
Which number is prime: 27, 31, 39, or 45?
31
A cube has side lengths of 4 cm. What is its volume?
64 cubic centimeters
A table is 6 feet long and 4 feet wide. A teacher puts 3 paintbrushes in each square foot. How many paintbrushes are needed?
Answer: 72 paintbrushes
A soccer team practices 325 minutes each week for 16 weeks. How many minutes do they practice altogether?
Answer: 5,200 minutes
96 students are divided equally among 16 teams. How many students are on each team?
Answer: 6 students
Which TWO numbers are composite: 29, 49, 53, 63?
49 and 63
The base of a rectangular prism contains 24 unit cubes. The prism has 5 layers. What is its volume?
120 cubic units
A rectangular chest measures 8 ft × 3 ft × 2 ft. How many 1-cubic-foot cubes are needed to completely fill it?
Answer: 48 cubes
A school orders 128 boxes of pencils. Each box contains 36 pencils. How many pencils are ordered?
Answer: 4,608 pencils
There are 108 students signed up for a tournament. 28 students leave. The remaining students are divided equally among 16 teams. How many teams can be made?
Answer: 5 teams
Work: (108-28)÷16=5
A student says 51 is prime because it is odd. Is the student correct? Explain.
No. 51 is composite because \(3×17=51\).
A rectangular prism measures 9 in. × 4 in. × 6 in. A student says its volume is 19 cubic inches because 9+4+6=19. Explain the mistake and give the correct volume.
Answer: Volume requires multiplication, not addition.
9×4×6=216 cubic inches.
Mia has 40 yards of fencing. She puts fencing around a 3 yd × 5 yd garden. She wants to use the remaining fencing around a 4 yd × 6 yd garden. Does she have enough? How much will be left?
Yes.
First garden: \(2(3)+2(5)=16\) yards
Remaining: \(40-16=24\) yards
Second garden: \(2(4)+2(6)=20\) yards
4 yards remain