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Kristina’s work to simplify the expression 12 ÷ 3 + (7 – 5) + 32 • 6 is shown below. Did Kristina make a mistake? If so:
Part 1: Explain where she made her mistake.
Part 2: Simplify the expression correctly to tell what her answer should have been.
Expression: 12 ÷ 3 + (7 – 5) + 3^2 • 6
Step 1: 12 ÷ 3 + 2 + 3^2 • 6
Step 2: 12 ÷ 3 + 2 + 9 • 6
Step 3: 12 ÷ 3 + 11 • 6
Step 4: 4 + 11 • 6
Step 5: 4 + 66
Answer: 70
 one year ago
 one year ago
Kristina’s work to simplify the expression 12 ÷ 3 + (7 – 5) + 32 • 6 is shown below. Did Kristina make a mistake? If so: Part 1: Explain where she made her mistake. Part 2: Simplify the expression correctly to tell what her answer should have been. Expression: 12 ÷ 3 + (7 – 5) + 3^2 • 6 Step 1: 12 ÷ 3 + 2 + 3^2 • 6 Step 2: 12 ÷ 3 + 2 + 9 • 6 Step 3: 12 ÷ 3 + 11 • 6 Step 4: 4 + 11 • 6 Step 5: 4 + 66 Answer: 70
 one year ago
 one year ago

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lexiameeBest ResponseYou've already chosen the best response.1
where do you think her mistake is??
 one year ago

lexiameeBest ResponseYou've already chosen the best response.1
Use PEMDAS parenthases exponents multipication divition addition subtraction. Did she use this? Did she do the steps correctly
 one year ago

kcute_face_bhunnie_Best ResponseYou've already chosen the best response.1
Step three?
 one year ago

lexiameeBest ResponseYou've already chosen the best response.1
yes correct. Good Job!.
 one year ago
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