Ornament Subtraction

Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
Ornament Subtraction
File Type

PDF

(857 KB|44 pages)
Product Rating
Standards
Also included in:
  1. Christmas Math Activity MEGA Bundle Includes a variety of math skills to build number sense.The Targeted Math Skills:Counting One to One CorrespondenceSubitizingMatching Numbers and SetsIdentifying and Writing NumbersCount On From Any Given NumberCounting by 10's Comparing Numbers and SetsCompose an
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  • Product Description
  • StandardsNEW

Ornament Subtraction is a hands on math center to target Subtraction within 10 and within 20.

Ornament Subtraction Prep:

  • Print Ornament Subtraction Mat
  • Print Subtraction Cards (suggested: onto color cardstock to easily see.)
  • Laminate Subtraction Cards


Ornament Subtraction Prep/Directions:

  • Flip Subtraction Card onto Ornament Subtraction Mat.
  • Build the Ornament Subtraction Mat Number on Ten Frame(s).
  • Subtract the Amount.
  • Count ‘How Many’.
  • Write ‘How Many’ in the Ornament.


Download Includes:

  1. Subtraction Cards within 10
  2. Ornament Subtraction Mat (10 Frame)
  3. Subtraction Cards within 20
  4. Ornament Subtraction Mat (Double 10 Frame)
Log in to see state-specific standards (only available in the US).
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).
Apply properties of operations as strategies to add and subtract. 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.)
Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Total Pages
44 pages
Answer Key
N/A
Teaching Duration
N/A
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