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Mathematics · Kindergarten

Teen Numbers as Ten and Some More

Every teen number is a full ten and some more ones. Children build teen numbers with ten strips and blocks, write equations like 14 = 10 + 4, see why the 1 in a teen numeral stands for ten ones, and use 'ten and some more' to compare and order teen numbers.

  • 3 lessons
  • About 45 minutes
  • Teen numbers check: 6 questions
  • Ways to answer: fill in the blanks, choose an answer, count, match pairs, put in order and shade a shape
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What learners will discover

  • Show a number from 11 to 19 as ten ones and some more ones, using objects, ten strips or drawings.
  • Write an equation for a teen number, such as 14 = 10 + 4, and match teen numerals to 'ten and some more'.
  • Compare and order teen numbers by looking at how many ones there are beyond ten.

Lessons

  1. Ten and some more 5 steps2 practiceabout 15 min
  2. Teen equations 5 steps3 practiceabout 15 min
  3. Compare teen numbers 5 steps2 practiceabout 15 min
  4. Teen numbers 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