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Step-by-step practice: Maths · Level 1Chapter 2 · Counting to 20
Step-by-step Maths Level 1 · Counting to 20 · Summary

Step-by-step Maths Level 1 Counting to 20: summary and key words

Part of the Step-by-step Maths Level 1 counting to 20 chapter. Chapter overview · whole chapter on one page

Chapter summary

SkillMethod
Count forwards and backwardsMove up one for the next number, down one for the number before
Numbers 11 to 20A ten and some more ones. Write the word or the numeral
Tens and onesMake a ten first, then count the ones left over
Number lineCount the jumps. Right is more, left is less

Can you…?

  • I can count forwards and backwards to 20
  • I can say the number after and the number before
  • I can read and write the numbers 11 to 20
  • I can count a set of up to 20 as a ten and some ones
  • I can count on along a number line

Key terms

teen number
a number from 11 to 19, or 20 when we say ten and some more
ten
a group of ten things
ones
the single things left over after the tens
number line
a line with the numbers in order
count on
to keep going up from a number

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