Factors and Multiples
What are the first five multiples of 5?
5, 10, 15, 20, 25
How many lines of symetry are there in a square?
How many seconds are in one minute?
60
What is the area of a piece of rectangular land that is 8 yards on one side and 11 yards on the other side?
88 square yards
Is 21 a prime number or a composite number?
21 is composite (factors are 1, 3, 7, 21)
What are all the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
How many lines of symmetry are there in an equilateral triangle?
3
How many feet are in 3 yards?
9 feet
How would you define an obtuse triangle?
The triangle contains an angle greater than a right angle (greater than 90-degrees)
An alligator is 4 yards long, a great white shark is 8 yards long, and moray eel is 2 yards long. How long are all these predators in feet?
42 feet (4+8+2 and then multiplied by 3)
What are all the factors of 40?
1, 2, 4, 5, 8, 10, 20, 40
How many lines of symmetry are there in a kite?
1
How many minutes are there in 15 hours?
900 minutes (60 x 15 or 60 x 10 + 60 x 5)
Miles is designing an enclosure for a new lizard. What is the length of one side if the total area of the square enclosure is 64 square feet?
8 feet
What is 5,203-3,1465?
1,738
Name the next 5 multiples of 8 after 40.
48, 56, 64, 72, 80
How many lines of symmetry are there in a scalene triangle?
Zero
How many inches are in 7 feet?
84 inches (7 x 12)
True or false: an equilateral triangle is also an isosceles triangle.
True. An isosceles triangle has two equal sides, and an equilateral triangle has three equal sides, so all equilateral triangles are also isosceles triangles.
The numbers 24, 42, and 66 are all multiples of what number?
6
What is the largest prime number under 100?
97
How many lines of symmetry are there in a 120-sided figure if all sides are the same length?
120
After school, Saya went skating for 3 hours. Marshall went to a hockey game that lasted 2 hours (there was a zamboni malfunction), and Margot played guitar for 6 hours. How many minutes did they spend in their after school activities?
660 (add the hours and then multiply them by 60)
What is the definition of a trapezoid?
A four-sided polygon with one pair of parallel sides.
It took Nora 4 minutes and 15 seconds to pack her backpack every day this week for school. Assuming she didn't got to school on the weekend, how many seconds did she spend packing her backpack?
1,275 seconds