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This lesson accompanies the BrainPOP Jr. topic Missing Numbers with Addition and Subtraction, and supports the standard of determining the unknown whole number in an addition or subtraction equation relating to three whole numbers. Students demonstrate understanding through a variety of projects.

Step 1: ACTIVATE PRIOR KNOWLEDGE

Display this image of an egg crate missing some eggs:

Step 2: BUILD KNOWLEDGE

TIP: The pause button turns red to remind you to pause.

Step 3: APPLY and ASSESS

Students take the Easy Quiz or Hard Quiz, demonstrating what they learned about the topic while applying essential literacy skills.

Step 4: DEEPEN and EXTEND

Students express what they learned about determining unknown numbers in addition or subtraction problems, while practicing essential literacy skills with one or more of the following activities. Differentiate by assigning ones that meet individual student or grade-level needs.

• Draw About It: Draw a number line or hundred chart to solve a counting problem.
• Activity: Fill in number sentences by drawing the missing dots.
• Talk About It: Explain how you’d solve each pictured missing number sentence.
• Write About It: Describe two ways to solve a missing number problem.

More to Explore

Addition and Subtraction Unit: Continue to build understanding around addition and subtraction by exploring more BrainPOP Jr. topics.

Teacher Support Resources: