DOL Math G_3 Mod_1 Lesson 17

Mr. Thomas organizes 16 binders into stacks of 4.

How many stacks does he make?

Which of these Number Bonds represent the problem?

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The chef uses 28 avocados to make 4 batches of guacamole.

How many avocados are in 2 batches of guacamole?

Select the strip diagram that represents the problem.

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A science teacher has 28 students.

He wants to divide them equally among 4 groups for a science project.

How many students will be in each group?

Which TWO expressions can be used to find the number of students in each group?

• __ x 28 = 28

• 28 ÷ 4 = __

• 4 ÷ 28 = __

• 28 - 4 = 24

• __ x 4 = 28

Look at how many rows are there on the corresponding multiplication.

Use the array to complete the related questions.

a

b

c

d

4

20

5

16

Look at how many rows are there on the corresponding division.

Use the array to complete the related questions.

a

b

c

d

20

5

16

4

An art teacher has 40 paintbrushes.

She divides them equally among her 4 students.

She finds 8 more brushes and divides these equally among the students, as well.

How many brushes does each student receive? Use the RDW strategy to show your solution.

• (40 ÷ 4) + (8 ÷4) = __

  10 + 2 = 12

  Each student receives 12.

• 40 ÷ 4 = 10

  Each student receives 10.

• 8 ÷ 4 = 2

  Each student receives 2.

• 44 ÷ 4 = 11

  Each student receives 11.