Move and Groove: Subtracting 10 Brain Break!

Math Grades 1st Grade 2:58 Video
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Lesson Description

Get your 1st graders moving while mastering subtraction of 10 with this fun, active math lesson!

Video Resource

Subtracting 10 Math Brain Break (1.NBT.C.5)

Move and Groove Math

Duration: 2:58
Watch on YouTube

Key Concepts

  • Subtraction
  • Place Value (Tens and Ones)
  • Mental Math

Learning Objectives

  • Students will be able to mentally subtract 10 from a two-digit number.
  • Students will be able to relate subtracting 10 to a change in the tens place.
  • Students will be able to perform actions a specified number of times.

Educator Instructions

  • Introduction (5 mins)
    Begin by reviewing the concept of subtraction. Ask students what it means to subtract and give some simple subtraction problems (within 10) to solve as a class. Emphasize the idea of 'taking away'.
  • Video Activity (10 mins)
    Play the "Subtracting 10 Math Brain Break" video. Encourage students to actively participate by solving the subtraction problems and performing the actions. Pause the video, if necessary, to allow students time to think and solve.
  • Guided Practice (10 mins)
    After the video, write some two-digit numbers on the board (e.g., 45, 62, 28). Guide students through subtracting 10 from each number. Ask questions like: 'What number is in the tens place?' 'What happens to the tens place when we subtract 10?' Use base ten blocks as a visual aid if needed.
  • Independent Practice (10 mins)
    Give each student a worksheet with two-digit numbers. Have them subtract 10 from each number and write the answer. You can also incorporate actions like in the video: e.g., 'Subtract 10 from 53. Hop that many times!'.
  • Wrap-up (5 mins)
    Review the answers to the independent practice problems. Discuss any challenges students faced and reinforce the concept of subtracting 10.

Interactive Exercises

  • Number Line Subtraction
    Use a number line (0-100) to visually demonstrate subtracting 10. Start at a two-digit number and count back 10 spaces.
  • Base Ten Blocks Activity
    Provide base ten blocks. Have students represent a two-digit number with the blocks. Then, have them physically remove one 'ten' to subtract 10.

Discussion Questions

  • What happens to the tens place when you subtract 10 from a number?
  • Can you think of a time when you might need to subtract 10 from something in real life?

Skills Developed

  • Mental Math
  • Number Sense
  • Place Value Understanding
  • Active Listening
  • Problem Solving

Multiple Choice Questions

Question 1:

What is 10 less than 25?

Correct Answer: 15

Question 2:

If you have 32 cookies and eat 10, how many are left?

Correct Answer: 22

Question 3:

What is the number in the tens place in 47?

Correct Answer: 4

Question 4:

What is 10 less than 19?

Correct Answer: 9

Question 5:

If you take away 10 from 68, what number do you get?

Correct Answer: 58

Question 6:

What is the first step to subtracting 10 from a number?

Correct Answer: Look at the tens place

Question 7:

What is 10 less than 81?

Correct Answer: 71

Question 8:

What happens to the tens place when you subtract 10?

Correct Answer: It gets smaller

Question 9:

What number is 10 less than 50?

Correct Answer: 40

Question 10:

If you have 99 balloons and 10 fly away, how many are left?

Correct Answer: 89

Fill in the Blank Questions

Question 1:

10 less than 43 is ______.

Correct Answer: 33

Question 2:

If you subtract 10 from 76, you get ______.

Correct Answer: 66

Question 3:

The number in the tens place in 52 is ______.

Correct Answer: 5

Question 4:

10 less than 21 is ______.

Correct Answer: 11

Question 5:

Taking away 10 from 84 is the same as subtracting ______.

Correct Answer: 10

Question 6:

When you subtract 10, you change the ______ place.

Correct Answer: tens

Question 7:

10 less than 95 is ______.

Correct Answer: 85

Question 8:

If you have 37 stickers and give away 10, you have ______ left.

Correct Answer: 27

Question 9:

What plus 10 is equal to 65? ______

Correct Answer: 55

Question 10:

The video helps us subtract 10 while we ______ and ______.

Correct Answer: move

Educational Standards

CCSS.Math.Content.1.NBT.C.5:Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. 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.A.1:Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Teaching Materials

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