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Grade 1 Mathematics · Number

Numbers to 50

Numbers can be shown with numerals, words, groups of ten, and ones. Each representation names the same amount.

One number, many representations

Meet the number 24

Numeral
24
Number word
twenty-four
2 tens + 4 ones = 24

Your learning path

Numbers to 50 lessons

Work through these lessons in order so each idea builds on the one before it.

  1. Meet Numbers to 50

    Lesson

    Connect number words, numerals, quantities, tens, and ones.

    Start lesson →
  2. Build a Number

    Interactive

    Build numbers to 50 with groups of ten and ones.

    Start lesson →