Question

Use the hundredth grids below to answer the questions. The first two hundredth grids show Aiden's work. The second two hundredth grids show Sophia's work.

(1 point)

Part A


Which student correctly models the problem 1.25 + 0.4. Type your answer in the box.




Question 2

(1 point)

Part B

What is the correct answer for 1.25 + 0.4?





Question 3

Part C

Explain the errors made by the incorrect student. Refer back to the models and use equations to support your explanation.


(4 points)

Answer 1

I feel like Sophie is correct so yeah I hope you get it right

Answer 2

A. Sophia is correct.

B. 1.25 + 0.40 = 1.65

C. Aiden modeled 1.25 + 0.04.