1
QuizMultiple Choice
Using Properties of Operations
Question 1 • Common Core Math 7 A-IC
Carlos is using the distributive property to evaluate the expression by using friendlier numbers. His work is shown below.Carlos’s Work Step 1Step 2Step 3Step 4569What was the first error that Carlos made?
Answer
A
Step 1 should have been 14(7 + 7).B
Step 2 should have been 14(40) + 14(9).C
Step 3 should have been 23(40).D
Step 4 should have been 5,040.