Unit 2 - Lesson 1 - Grade 2: Illustrative Mathematics

Which one doesn't belong?

• A
• B
• C
• D

What is the total number of students that chose popcorn or pretzels? Show your thinking.

How many more students chose nachos than chose popcorn? Show your thinking.

Lin and Clare used cubes to make trains. What do you notice? What do you wonder?

Make trains with cubes. Find the total number of cubes you and your partner used. Show your thinking.

Make trains with cubes. Find the difference between the number of cubes you and your partner used. Show your thinking.

Elena used 23 cubes to make a train. Jada used 36 cubes to make a train. How many more cubes did Jada use than Elena? Show your thinking. Use cubes if it helps.