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Mathematics · Grade 1

Count, Compare and Organize Numbers

First graders extend counting past 100 to 120 from any starting number, read and write numerals such as 104 and 117 correctly, count large collections by making tens, and compare numbers with the symbols >, < and =.

  • 3 lessons
  • About 55 minutes
  • Numbers to 120 check: 8 questions
  • Ways to answer: fill in the blanks, choose an answer, count, match pairs, type a number and place on a number line
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What learners will discover

  • Count forward to 120 starting from any number, including across 100 and 110.
  • Read and write numerals to 120 and write the numeral for a counted collection.
  • Compare two numbers using the symbols >, < and = and read the comparison aloud.

Lessons

  1. Counting past 100 7 steps4 practiceabout 18 min
  2. Read and write numerals to 120 6 steps4 practiceabout 18 min
  3. Compare with >, < and = 6 steps3 practiceabout 19 min
  4. Numbers to 120 check 8 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.
  • Number TrainAll aboard! Load exactly the right number of animals onto the train.

More 1st grade math

Guide for grown-ups