Lesson 4 Sums of 10

    • Let’s find all the ways to make 10.

Warm-up True or False: Equal Expressions

Decide if each statement is true or false.
Be prepared to explain your reasoning.

Activity 1 Shake and Spill: 10 Counters

Today you will play Shake and Spill with 10 counters. When you write the equation to represent your counters, make sure it shows how many red counters and how many yellow counters you got.

Activity 2 All The Ways To Make 10

  1. Show all the ways to make 10.

    Ten frame, full. Red, 5 counters. Yellow, 5 counters.

  2. How do you know that you have found all the ways?
    Be ready to explain your thinking in a way that others will understand.

Activity 3 Centers: Choice Time

Choose a center.

Number Puzzles

Center activity. Number Puzzles.

Check it Off

Center. Check It Off.

Find the Pair

Center. Find the pair.

Practice Problem

Problem 1

  1. Write an equation that matches this 10-frame.

    Ten frame, full. 9 red counters. 1 yellow counter.

  2. Write 2 equations that show other ways to make 10.