Subtraction Strategies: Within 20 for 1st Grade Math
This unit focuses on developing fluency with subtraction facts within 20, linking strategies to addition and solving for missing numbers.
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 will students learn in Subtraction Strategies: Within 20?
Subtraction Strategies: Within 20 helps students build 1st Grade math understanding through connected skills and short lessons. This unit includes skills such as Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction.
What skills are included in this 1st Grade Math unit?
This unit includes skills such as Subtracting by Counting Back, Subtracting by Making Ten, Subtraction Fact Fluency within 20, Solving for Missing Numbers in Subtraction. The unit is broken into 4 skills and 5 lesson steps so students can practice one idea at a time.
How can my child practice Subtraction Strategies: Within 20 online?
Besparq pairs this unit with short explanations, practice steps, and feedback. Students can move through the lesson path and practice questions tied to each skill.
How does Sparq support this Math unit?
Sparq gives kid-friendly hints, explains ideas step by step, and helps students keep learning without simply giving shortcuts.