AREA
A parallelogram has a base of 8 cm and a height of 5 cm. Find the area.
40 cm²
Write an expression for:
8 more than a number n.
n + 8
In 5³, what is the base?
5
Solve: 8 + 3 × 4
20
What is the formula for the area of a triangle?
A = ½bh OR
A=(bxh)/2
A triangle has a base of 10 ft and a height of 6 ft. Find the area.
30 ft²
Write an expression for:
5 times a number x.
5x
Expand 4³ using repeated multiplication.
4 × 4 × 4
Solve: 20 − 12 ÷ 4
17
In 7⁴, what is the 7 called and what is the 4 called?
7 = base; 4 = exponent
A rectangular garden is 12 ft long and 7 ft wide. A triangular flower bed inside the garden has a base of 6 ft and a height of 4 ft.
How much of the garden is NOT covered by the flower bed?
72 ft²
J.R. Thunder has m Minecraft blocks. He uses 18 blocks to build a wall. Write an expression for how many blocks remain.
m − 18
Write using an exponent:
6 × 6 × 6 × 6
6⁴
Solve: 5 × (6 + 2) − 9
31
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
A rectangular prism has a length of 5 cm, width of 3 cm, and height of 2 cm. Find its total surface area.
62 cm²
Write a phrase or situation that could represent:
4x + 7
Acceptable answer: “Four times a number, plus 7.”
Evaluate: 3⁴
81
Solve: 3² + 4 × 5
29
What does FLR remind us to do?
From Left to Right
A playground is shaped like a rectangle with a triangle attached to one end. The rectangle is 10 m × 6 m. The triangle has a base of 6 m and height of 4 m. Find the total area.
72 m²
J.R. Thunder has b blocks. He uses 12 blocks for his roof. Then he divides the remaining blocks equally among 4 chests. Write an expression for the number of blocks in each chest.
(B-12)/4
Evaluate 2x³ when x = 3.
54
Solve: 48 ÷ 6 × 2 + 3²
25
A student says: “Multiplication always comes before division because M comes before D in PEMDAS.” Are they correct? Explain.
NO. Multiplication and division have equal priority. Solve whichever comes first FROM LEFT TO RIGHT. The same is true for addition and subtraction.