Fractions on a number line: 3rd grade math lesson

What this lesson shows

Each jump is one unit fraction: 5/3 is five thirds from 0.

The worked example

The lesson works this one step by step: 5/3. Then your kid tries one like it on paper.

The steps

Cut each whole the same
Jump one part at a time
Mark the point

Helping at home

Draw a line from 0 to 2 and cut each whole into the bottom number of equal parts. Start at 0 and jump one part at a time, counting, until you reach the top number.

If your kid gets stuck

Each jump is one part. Count the jumps.

Watch it with Lux

With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.

See how Lux works

Standards

Common Core 3.NF.A.2
Understand a fraction as a number on the number line; represent fractions on a number line diagram.

Matches a standard in all 50 states and DCSee each state's code

Alabama MA19.3.14a, MA19.3.14b, MA19.3.15b
Alaska 3.NF.2.a, 3.NF.2.b
Arizona 3.NF.A.2.a *, 3.NF.A.2.b, 3.NF.A.3.d *
Arkansas 3.NPV.5, 3.NPV.8, 3.NPV.9
California 3.NF.A.2
Colorado 3.NF.A.2.a, 3.NF.A.2.b
Connecticut 3.NF.A.2
Delaware 3.NF.A.2
District of Columbia 3.NF.A.2
Florida MA.3.FR.2.1
Georgia 3.NR.4.1, 3.NR.4.2, 4.NR.4.2
Hawaii 3.NF.A.2
Idaho 3.NF.A.2.a, 3.NF.A.2.b
Illinois 3.NF.A.2
Indiana 3.NS.5, 3.NS.3
Iowa 3.NF.A.2.a, 3.NF.A.2.b
Kansas 3.NF.2.a, 3.NF.2.b
Kentucky KY.3.NF.2.a, KY.3.NF.2.b
Louisiana 3.NF.A.2.a, 3.NF.A.2.b
Maine 3.NF.A.2a, 3.NF.A.2b
Maryland 3.NOS.F.12.a, 3.NOS.F.12.b, 3.NOS.F.13.d
Massachusetts 3.NF.A.2.a, 3.NF.A.2.b
Michigan 3.NF.A.2
Minnesota 3.1.3.1, 3.1.3.3
Mississippi 3.NF.2.a, 3.NF.2.b
Missouri 3.NF.A.3.a, 3.NF.A.3.b, 3.NF.A.3.c
Montana MT.3.NF.2.a, MT.3.NF.2.b, MT.3.NF.2.c, MT.3.NF.3.d
Nebraska 3.N.2.c, 3.N.2.f
Nevada 3.NF.A.2
New Hampshire 3.NF.A.2
New Jersey 3.NF.A.2a, 3.NF.A.2b
New Mexico 3.NF.A.2
New York NY-3.NF.2.a, NY-3.NF.2.b
North Carolina NC.3.NF.1.b, NC.3.NF.2.b
North Dakota 3.NO.NF.2, 3.NO.NF.5
Ohio 3.NF.2.a, 3.NF.2.b
Oklahoma 3.N.3.2, 3.N.3.4
Oregon 3.NF.A.2
Pennsylvania CC.2.1.3.C.1
Rhode Island 3.NF.A.2.a, 3.NF.A.2.b
South Carolina 3.NR.2.2, 3.NR.2.6
South Dakota 3.NF.A.2.a, 3.NF.A.2.b
Tennessee 3.NF.A.2.a, 3.NF.A.2.b, 3.NF.A.3.d
Texas 111.4.b.3.B, 111.5.b.3.A, 111.5.b.3.B, 111.5.b.3.H, 111.5.b.7.A
Utah 3.NF.2.a, 3.NF.2.b
Vermont 3.NF.A.2
Virginia 2.NS.3b, 2.NS.3e.ii, 2.NS.3f, 3.NS.3a.ii, 3.NS.3f, 4.NS.3a, 3.NS.3g
Washington 3.NF.A.2
West Virginia M.3.16
Wisconsin M.3.NF.A.3, M.3.NF.A.2
Wyoming 3.NF.2a, 3.NF.2b, 3.NFP.2.A, 3.NFP.2.B, 3.NF.3d, 3.NFP.3.D

Fractions on a number line