What this lesson shows
Fixes a mistake
5/4 is less than 5/2, though 4 is more than 2.
The worked example
The lesson works this one step by step: 5/4 ○ 5/2. Then your kid tries one like it on paper.
The steps
- Two lines the same length
- Count the jumps
- Bigger bottom, smaller jumps
Helping at home
When the tops match, draw two number lines the same length, each cut into its own parts. Count the top number of jumps on each. The one that lands farther from 0 is bigger.
If your kid gets stuck
Write <, >, or =. Count jumps on two lines.
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.
Standards
- Common Core 3.NF.A.3d
Compare two fractions with the same numerator or the same denominator by reasoning about their size. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model.
Matches a standard in all 50 states and DCSee each state's code
- Alabama MA19.3.15a, MA19.3.15b
- Alaska 3.NF.3.d
- Arizona 3.NF.A.3.d *
- Arkansas 3.NPV.5, 3.NPV.8, 3.NPV.9
- California 3.NF.A.3
- Colorado 3.NF.A.3.d
- Connecticut 3.NF.A.3
- Delaware 3.NF.A.3
- District of Columbia 3.NF.A.3
- Florida MA.3.FR.2.1
- Georgia 3.NR.4.2, 4.NR.4.2
- Hawaii 3.NF.A.3
- Idaho 3.NF.A.2.a, 3.NF.A.3.d
- Illinois 3.NF.A.3
- Indiana 3.NS.5
- Iowa 3.NF.A.3.d
- Kansas 3.NF.3.d
- Kentucky KY.3.NF.3.b, KY.3.NF.3.d
- Louisiana 3.NF.A.3.d
- Maine 3.NF.A.3d
- Maryland 3.NOS.F.13.d
- Massachusetts 3.NF.A.3.d
- Michigan 3.NF.A.3
- Minnesota 3.1.3.2, 3.1.3.3
- Mississippi 3.NF.3.d
- Missouri 3.NF.A.6, 3.NF.A.7
- Montana MT.3.NF.3.a, MT.3.NF.3.d, MT.3.NF.3.e
- Nebraska 3.N.2.c, 3.N.2.f
- Nevada 3.NF.A.3
- New Hampshire 3.NF.A.3
- New Jersey 3.NF.A.3d
- New Mexico 3.NF.A.3
- New York NY-3.NF.3.d
- North Carolina NC.3.NF.4
- North Dakota 3.NO.NF.5
- Ohio 3.NF.2.b, 3.NF.3.d
- Oklahoma 3.N.3.4
- Oregon 3.NF.A.3
- Pennsylvania CC.2.1.3.C.1
- Rhode Island 3.NF.A.3.d
- South Carolina 3.NR.2.6, 3.NR.2.5
- South Dakota 3.NF.A.3.d
- Tennessee 3.NF.A.3.d
- Texas 111.4.b.3.B, 111.5.b.3.B, 111.5.b.3.H
- Utah 3.NF.3.d
- Vermont 3.NF.A.3
- Virginia 2.NS.3b, 2.NS.3e.ii, 2.NS.3f, 3.NS.3a.ii, 3.NS.3f, 4.NS.3a, 4.NS.3b, 3.NS.3g
- Washington 3.NF.A.3
- West Virginia M.3.16, M.3.17
- Wisconsin M.3.NF.A.3, M.3.NF.A.2
- Wyoming 3.NF.3d, 3.NFP.3.D