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PlayOwl

Mathematics · Grade 2

Use Number Lines

A number is a distance from 0. Learners place numbers on number lines with equally spaced points (counting by 1s, 5s and 10s), show addition and subtraction within 100 as jumps, and solve length story problems with number-line drawings and equations with an unknown.

  • 3 lessons
  • About 60 minutes
  • Number line check: 8 questions
  • Ways to answer: fill in the blanks, choose an answer, match pairs, type a number, place on a number line and put in order
See plans Included with Family, Teacher and School plans. Open in PlayOwl

What learners will discover

  • Place and read whole numbers on number lines with equally spaced points, including lines marked by 5s or 10s.
  • Show sums and differences within 100 as jumps on a number line.
  • Solve length story problems within 100 using a number-line drawing and an equation with a symbol for the unknown.

Lessons

  1. Numbers as lengths 5 steps3 practiceabout 20 min
  2. Jumps for adding and subtracting 5 steps3 practiceabout 20 min
  3. Length stories 6 steps3 practiceabout 20 min
  4. Number line 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.
  • Place-Value WorkshopBuild numbers with rods and cubes — and trade ten ones for a ten.

More 2nd grade math

Guide for grown-ups