Making 10 to Add: A Super Addition Strategy!

Math Grades 1st Grade 3:59 Video
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Lesson Description

Learn how to use the 'making 10' strategy to solve bigger addition problems! This lesson makes adding easier and more fun.

Video Resource

Addition Strategy (Making 10) - 1st Grade Math (1.OA.6)

Boddle Learning

Duration: 3:59
Watch on YouTube

Key Concepts

  • Making 10
  • Decomposing numbers
  • Adding to 10

Learning Objectives

  • Students will be able to identify how much to add to a number to make 10.
  • Students will be able to decompose a number to 'make 10' with another number in an addition problem.
  • Students will be able to solve addition problems within 20 using the 'making 10' strategy.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what they know about the number 10. Why is 10 a special number? Explain that knowing how to make 10 can help them add bigger numbers more easily. Introduce the concept of the 'making 10' strategy as a helpful tool for addition.
  • Video Viewing (7 mins)
    Show the Boddle Learning video: 'Addition Strategy (Making 10) - 1st Grade Math (1.OA.6)'. Encourage students to pay close attention to how the video explains and demonstrates the making 10 strategy.
  • Guided Practice (10 mins)
    After watching the video, work through a few example problems on the board, guiding students through each step of the 'making 10' strategy. For example, start with 8 + 5. Ask: 'How much more does 8 need to make 10?' (2). Then, 'Where can we get that 2 from?' (from the 5). 'If we take 2 from 5, how much is left?' (3). So, 8 + 5 becomes 8 + 2 + 3, which is 10 + 3 = 13.
  • Independent Practice (10 mins)
    Provide students with a worksheet containing addition problems where they can practice the 'making 10' strategy independently. Problems could include: 9 + 4, 7 + 6, 8 + 3, 6 + 5.
  • Wrap-up (3 mins)
    Review the key steps of the 'making 10' strategy. Ask students when they think this strategy would be most helpful. Reiterate that making 10 is a trick to make adding easier.

Interactive Exercises

  • Number Bonds to 10
    Use manipulatives (like counters or cubes) to visually represent number bonds to 10. Have students physically combine the counters to 'make 10'.
  • Online Making 10 Game
    Find an online game that reinforces the concept of making 10. Many websites offer free, interactive games for first-grade math skills.

Discussion Questions

  • Why is it helpful to make 10 when we add?
  • Can you think of a time when the 'making 10' strategy wouldn't be the best way to add?

Skills Developed

  • Addition
  • Number sense
  • Problem-solving

Multiple Choice Questions

Question 1:

What number do you add to 6 to make 10?

Correct Answer: 4

Question 2:

If you take 2 away from 7, what number is left?

Correct Answer: 6

Question 3:

Which of these numbers makes 10 when added to 3?

Correct Answer: 7

Question 4:

What is 10 + 3?

Correct Answer: 13

Question 5:

What is 7 + 3?

Correct Answer: 10

Question 6:

To use the 'making 10' strategy for 8 + 4, what number do you need to add to 8 to make 10?

Correct Answer: 2

Question 7:

If you take 2 away from 4 (like in 8 + 4), what number is left?

Correct Answer: 2

Question 8:

What is 10 + 2?

Correct Answer: 12

Question 9:

Which problem uses 'making 10' to help add?

Correct Answer: 6 + 4 = 10

Question 10:

We use the 'making 10' strategy to make adding ________.

Correct Answer: easier

Fill in the Blank Questions

Question 1:

To make 10, you add _______ to 9.

Correct Answer: 1

Question 2:

We can break apart 5 into 1 and ______.

Correct Answer: 4

Question 3:

10 + 6 equals ______.

Correct Answer: 16

Question 4:

7 + 3 = _______.

Correct Answer: 10

Question 5:

To use the making 10 strategy, we try to make one of the numbers equal _______.

Correct Answer: 10

Question 6:

If we take 2 from 6, we have ______ left.

Correct Answer: 4

Question 7:

8 + ______ = 10

Correct Answer: 2

Question 8:

10 + 5 = ________

Correct Answer: 15

Question 9:

We ________ numbers apart to help us make 10.

Correct Answer: break

Question 10:

Making 10 is a trick to make _________ easier.

Correct Answer: adding

Educational Standards

CCSS.Math.Content.1.OA.C.6:Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13). CCSS.Math.Content.1.OA.B.3:Apply properties of operations as strategies to add and subtract. (Students need not use formal terms for these properties.) Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.) 1.NBT.C.4:Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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