What this lesson shows
A story becomes 7 × n = 63, drawn as a tape split into 7 equal parts.
The worked example
The lesson works this one step by step: 63 ÷ 7. Then your kid tries one like it on paper.
The steps
- Draw a bar in equal parts
- Write n for the unknown
- Write the equation
- Solve it with a fact
Helping at home
Draw one bar for the whole and cut it into equal parts. Write n in each part, then the equation with n. Solve it with a fact the kid knows, then say the answer with its unit.
If your kid gets stuck
Draw a bar, then write an equation with n.
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 4.OA.A.3
Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Matches standards in 49 statesSee each state's code
- Alabama MA19.4.3a, MA19.4.3b
- Alaska 4.OA.3
- Arizona 4.OA.A.3 *, 4.OA.C.6
- Arkansas 4.CAR.8
- California 4.OA.A.3
- Colorado 4.OA.A.3
- Connecticut 4.OA.A.3
- Delaware 4.OA.A.3
- District of Columbia 4.OA.A.3
- Florida MA.4.AR.1.1, MA.4.AR.2.2
- Georgia 4.NR.2.5
- Hawaii 4.OA.A.3
- Idaho 4.OA.A.3.a, 4.OA.A.3.b
- Illinois 4.OA.A.3
- Indiana 5.CA.2
- Iowa 4.OA.A.3
- Kansas 4.OA.3
- Kentucky KY.4.OA.3.b
- Louisiana 4.OA.A.3
- Maine 4.OA.A.3
- Maryland 4.AT.A.4.a, 4.AT.A.4.b
- Michigan 4.OA.A.3
- Minnesota 4.1.1.5, 5.1.1.2, 4.2.2.1, 4.2.2.2
- Mississippi 4.OA.3
- Missouri 4.RA.A.2, 4.RA.A.3
- Montana MT.4.OA.3, 4.D1.8, 4.D1.22, 4.D2.8
- Nebraska 4.A.1.d, 4.A.1.e, 4.A.1.f
- Nevada 4.OA.A.3
- New Hampshire 4.OA.A.3
- New Jersey 4.OA.A.3
- New Mexico 4.OA.A.3
- New York NY-4.OA.3.a, NY-4.OA.3.b
- North Carolina NC.4.OA.3.a, NC.4.OA.3.b, NC.4.OA.3.c
- North Dakota 4.AR.OA.3
- Ohio 4.OA.3
- Oklahoma 4.N.2.3, 4.N.2.4, 4.A.2.1, 4.A.2.2, 5.N.2.3, 5.N.2.4
- Oregon 4.OA.A.3
- Pennsylvania CC.2.2.4.A.1
- South Carolina 4.NR.1.2, 4.PAFR.3.3, 4.PAFR.3.4
- South Dakota 4.OA.A.3
- Tennessee 4.OA.A.3
- Texas 111.6.b.4.G, 111.6.b.4.H, 111.6.b.5.A
- Utah 4.OA.3.a, 4.OA.3.b
- Vermont 4.OA.A.3
- Virginia 4.CE.1a, 4.CE.1b, 4.CE.1d, 4.CE.2a, 4.CE.2h, 4.CE.2j, 4.CE.2k, 5.CE.1a, 5.CE.1c
- Washington 4.OA.A.3
- West Virginia M.4.3
- Wisconsin M.4.OA.A.2.3
- Wyoming 4.OA.3a, 4.OA.3b, 4.OAP.3.A, 4.OAP.3.B