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Mathematics · Kindergarten

Separate Groups and Represent Subtraction

When some go away, we subtract. Children show take-away stories with objects, drawings and equations using the minus sign, solve take-away problems within 10 by counting back on a number path, decide whether a story needs adding or subtracting, and grow confident with subtraction within 5.

  • 3 lessons
  • About 45 minutes
  • Subtraction check: 6 questions
  • Ways to answer: fill in the blanks, choose an answer, match pairs, type a number, place on a number line and sort into groups
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What learners will discover

  • Represent take-away situations with objects, drawings and an equation such as 5 − 2 = 3, and tell adding stories from subtracting stories.
  • Solve take-away story problems within 10, for example by counting back on a number path.
  • Subtract within 5 accurately and confidently.

Lessons

  1. Minus means take away 5 steps3 practiceabout 15 min
  2. Take-away stories to 10 5 steps3 practiceabout 15 min
  3. Subtraction within 5 6 steps3 practiceabout 15 min
  4. Subtraction check 6 questions at the end

Keep exploring

Games to practice with

  • Number-Line HopHelp the frog hop to the right number — from counting to negative fractions.
  • Paint by AnswersSolve each space, dip your brush and watch a picture come to life.
  • Shape PicnicSet up Olly's picnic by putting every shape on its matching outline.

More kindergarten math

Guide for grown-ups