What this lesson shows
4/3, 4 thirds, four-thirds, and one and one third.
The worked example
The lesson works this one step by step: 4/3. Then your kid tries one like it on paper.
The steps
- Standard form
- Numeral-word form
- Word form
- Mixed number in words
Helping at home
Shade the fraction on bars first. Numeral-word form is the top number and the name of the pieces. Word form spells both in words, with a hyphen. For the mixed number, count the full bars, then the parts left.
If your kid gets stuck
Draw it on bars, then count the full bars.
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.1
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Matches standards in 50 statesSee each state's code
- Alabama MA19.3.13
- Alaska 3.NF.1
- Arizona 3.NF.A.1, 3.NF.A.2.c
- Arkansas 3.NPV.6, 3.NPV.10
- California 3.NF.A.1
- Colorado 3.NF.A.1
- Connecticut 3.NF.A.1
- Delaware 3.NF.A.1
- District of Columbia 3.NF.A.1
- Florida MA.3.FR.1.1, MA.3.FR.1.2, MA.3.FR.1.3
- Georgia 3.NR.4.1, 3.NR.4.3
- Hawaii 3.NF.A.1
- Idaho 3.NF.A.1
- Illinois 3.NF.A.1
- Indiana 4.NS.2, 5.NS.2, 3.NS.2
- Iowa 3.NF.A.1
- Kansas 3.NF.1
- Kentucky KY.3.NF.1
- Louisiana 3.NF.A.1
- Maine 3.NF.A.1
- Maryland 3.NOS.F.10.b, 3.NOS.F.11
- Massachusetts 3.NF.A.1
- Michigan 3.NF.A.1
- Minnesota 3.1.3.1
- Mississippi 3.NF.1
- Missouri 3.NF.A.1, 3.NF.A.2.a, 3.NF.A.2.b
- Montana MT.3.NF.1
- Nebraska 3.N.2.b
- Nevada 3.NF.A.1
- New Hampshire 3.NF.A.1
- New Jersey 3.NF.A.1
- New Mexico 3.NF.A.1
- New York NY-3.NF.1
- North Carolina NC.3.NF.1.a, NC.3.NF.1.b, NC.3.NF.2.a
- Ohio 3.NF.1
- Oklahoma 3.N.3.1, 3.N.3.2, 3.N.3.3
- Oregon 3.NF.A.1
- Pennsylvania CC.2.1.3.C.1
- Rhode Island 3.NF.A.1
- South Carolina 3.NR.2.2, 3.NR.2.4, 3.NR.2.1
- South Dakota 3.NF.A.1
- Tennessee 3.NF.A.1
- Texas 111.4.b.3.C, 111.5.b.3.A, 111.5.b.3.C, 111.5.b.3.D, 111.5.b.3.E, 111.6.b.3.A
- Utah 3.NF.1.a, 3.NF.1.b
- Vermont 3.NF.A.1
- Virginia 2.NS.3d, 2.NS.3e.i, 2.NS.3e.iii, 3.NS.3a.i, 3.NS.3a.iii, 3.NS.3b, 3.NS.3c, 2.NS.3c
- Washington 3.NF.A.1
- West Virginia M.3.15
- Wisconsin M.3.NF.A.1
- Wyoming 3.NF.1