Question

pemdas graphic org
name: cesar date:
step 1: parentheses ( )
circle or underline what’s inside parentheses.
example: (2 + 3) × 4 → do 2 + 3 = 5
step 2: exponents
square, cube, or powers.
example: 4² = 16
step 3: multiplication & division (left to right)
work across from left to right.
example: 20 ÷ 5 × 2 = 8
step 4: addition & subtraction (left to right)
finish with adding or subtracting.
example: 10 - 4 + 2 = 8
practice problems:

1. (6 + 4) ÷ 2 + 3² =
2. 5 × (2 + 6) - 4 =
3. (10 - 2) × 3 + 2² =

reflection: which pemdas step do you find easiest

Explanation:

Step1: Solve parentheses in problem 1

$(6 + 4)=10$

Step2: Solve exponents in problem 1

$3^{2}=9$

Step3: Do division in problem 1

$10\div2 = 5$

Step4: Do addition in problem 1

$5+9=14$

Step5: Solve parentheses in problem 2

$(2 + 6)=8$

Step6: Do multiplication in problem 2

$5\times8 = 40$

Step7: Do subtraction in problem 2

$40-4=36$

Step8: Solve parentheses in problem 3

$(10 - 2)=8$

Step9: Solve exponents in problem 3

$2^{2}=4$

Step10: Do multiplication in problem 3

$8\times3 = 24$

Step11: Do addition in problem 3

$24 + 4=28$

Answer:

1. 14
2. 36
3. 28