Week 27WednesdayMixed Practice: Groups & Arrays
1Warm-up: Skip Count by 10s

2-min Fluency Warm-up — Skip count by 10s.

Count by 10s — like counting dimes!

Count by 10:

102030507080

Count by 10:

1020405060
2Groups and Arrays

Some pictures show groups, some show arrays. Find each total.

3 groups of 4 =

2 rows of 6 =

2 groups of 5 =

4 rows of 4 =

3Word Problems

Draw the groups or the array. Then find the answer.

A muffin tin has 3 rows. Each row holds 4 muffins. Mom filled every spot. How many muffins did she bake?

Draw your groups or array:

muffins

Diego puts his toy cars in 4 equal rows. Each row has 5 cars. How many toy cars does Diego have?

Draw your groups or array:

cars

4Find the Error: Equal or Not?

Mia says each picture shows equal groups. Is she right? Circle ✓ or ✗ and explain.

Equal groups? ✓ or ✗

Explain:

Equal groups? ✓ or ✗

Explain:

5Challenge: Create Your Own Array

Create Your Own — Draw an array that has exactly 12 dots. Hint: there is more than one way!

My array has rows of

Can you think of a DIFFERENT array with 12 dots? Write it: