Lesson 5 Add Within 50
Let’s add within 50.
Warm-up Number Talk: Two-Digit, One-Digit
Find the value of each sum mentally.
Activity 1 Revisit How Close, Add to 100
Activity 2 Add within 50
Find the value of each sum. Show your thinking using drawings, numbers, or words.
Practice Problem
Problem 1
Find the value of each sum. Show your thinking using drawings, words, or numbers.