Lesson 17 Match and Draw Arrays
Let’s match arrays to equal groups and draw arrays.
Warm-up Which One Doesn’t Belong: Arrangements
Which one doesn’t belong?
Activity 1 Card Sort: Arrays
Match the drawings of equal groups and arrays that are alike. Be prepared to explain your reasoning.
Choose a match you and your partner made. Write down how you know the drawing matches the array.
Activity 2 Draw Arrays
Problem 1
Draw 1 way the dots could be rearranged into an array.
Explain or show how the array is related to multiplication.
Problem 2
Draw ways that the dots could be arranged into arrays. Draw as many ways as you can.
Explain or show how each array is related to multiplication.
Practice Problem
Problem 1
Rearrange the circles to make an array in two different ways.