Order of Operations
5 + 3 × 2
11
How many sides does a triangle have?
3
Is 7 odd or even?
odd
8 × 7
56
Sara solved:
8 + 4 × 3
She got 36.
Is Sara correct? Explain and find the correct answer.
No. Multiplication comes first. 4 × 3 = 12, then 8 + 12 = 20.
12 ÷ 3 + 4
8
Name a shape with 4 equal sides.
Square
Is 12 prime or composite?
composite
72 ÷ 8
9
A number is even, greater than 10, and has exactly six factors.
Which of these numbers could it be?
A) 12
B) 13
C) 17
A) 12
7 + 4 × 3
19
How many edges does a cube have?
12 edges
What is the greatest factor of 18?
18
12 × 9
108
A teacher has 72 pencils. She puts them equally into 8 boxes.
How many pencils are in each box?
9
18 ÷ 2 − 4
5
What is a triangle with all equal sides called?
Equilateral Triangle
Are 8 and 15 relatively prime?
yes, because the GCF is 1
144 ÷ 12
12
A shape has 4 sides, 2 pairs of equal opposite sides, and 4 right angles.
What shape is it?
Rectangle
8 + 6 × 2 − 3
17
A shape has 6 square faces. What is it?
Cube
List all factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
15 × 8 − 20
100
A game gives 5 points for every correct answer. Maya answered 6 questions correctly and then lost 8 points.
Write and solve an expression to find her final score.
6 × 5 − 8 = 22