1st Grade Subtraction Strategies: Within 20 — Math
This unit focuses on developing fluency with subtraction facts within 20, linking strategies to addition and solving for missing numbers. This 1st grade math unit includes 4 skills and 5 lesson steps. Skills include Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction.
Popular lessons in this unit
Skills and lessons
Subtracting by Counting Back
Students will use counting back as a strategy for subtraction, especially for small numbers being subtracted.
Subtracting by Making Ten
Students will use the 'making ten' strategy to subtract numbers within 20, especially when subtracting numbers larger than 5.
Subtraction Fact Fluency within 20
Students will practice subtraction facts within 20 to build fluency and apply various strategies.
Solving for Missing Numbers in Subtraction
Students will solve equations with missing numbers in different positions, deepening their understanding of the relationship between numbers in subtraction.
Frequently asked questions
What is subtraction strategies: within 20 in 1st grade math?
Subtraction strategies: within 20 is a core 1st grade math topic. Skills include Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction. Students practice with short lessons and instant feedback on Besparq.
What will students learn in this 1st Grade math unit?
This unit focuses on developing fluency with subtraction facts within 20, linking strategies to addition and solving for missing numbers. This 1st grade math unit includes 4 skills and 5 lesson steps. Skills include Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction.
How can my child practice subtraction strategies: within 20 online?
Open any lesson below to watch the concept, try practice questions, and get kid-friendly hints from Sparq. No account is required to start.
What lessons are in this unit?
Skills include Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction. The unit has 5 lesson steps. Popular starting points include Count Back to Subtract (Up to 5), Break Apart to Make Ten (Subtraction), Fluency Practice: Differences to 15.