Firefighter Subtraction within 20

Firefighter Subtraction within 20
Firefighter Subtraction within 20
Firefighter Subtraction within 20
Firefighter Subtraction within 20
Firefighter Subtraction within 20
Firefighter Subtraction within 20
File Type

PDF

(794 KB|8 pages)
Product Rating
Standards
  • Product Description
  • StandardsNEW

Firefighter Subtraction engages students in subtraction within 20 using various strategies.

This Product Includes:

  • 20 Subtraction Cards
  • Firefighter Subtraction Recording Sheet
  • Firefighter Subtraction Answer Key

Suggested Directions:

  1. Print Subtraction Cards on Colored Tag
  2. Hang Subtraction Cards Around the Room
  3. Students Record on Recording Sheet

*Students may use number line, counting cubes or other hands on tools to solve and/or double check subtraction solutions.

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).
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.
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.
Total Pages
8 pages
Answer Key
Included
Teaching Duration
N/A
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