Groups or how many in each?: 3rd grade math lesson

What this lesson shows

Fixes a mistake

4 bags of 6 is not 6 bags of 4 in the story. The first number counts groups.

The worked example

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

The steps

Find the groups
Draw a loop for each
Fill each loop
Groups × in each

Helping at home

Read the story and find the groups first: bags, boxes, rows. Draw one loop for each. Then put the number in each into every loop. Write the groups first: groups × how many in each.

If your kid gets stuck

What are the groups? Draw those first.

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.OA.A.1
Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.
Common Core 3.OA.A.3
Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Matches standards in 50 statesSee each state's code

Alabama MA19.3.1, MA19.3.3
Alaska 3.OA.1, 3.OA.3
Arizona 3.OA.A.1, 3.OA.A.3 *
Arkansas 3.CAR.6
California 3.OA.A.1, 3.OA.A.3
Colorado 3.OA.A.1, 3.OA.A.3
Connecticut 3.OA.A.1, 3.OA.A.3
Delaware 3.OA.A.1, 3.OA.A.3
District of Columbia 3.OA.A.1, 3.OA.A.3
Florida MA.3.NSO.2.2
Georgia 3.PAR.3.6, 3.PAR.3.7
Hawaii 3.OA.A.1, 3.OA.A.3
Idaho 3.OA.A.1, 3.OA.A.3
Illinois 3.OA.A.1, 3.OA.A.3
Indiana 3.CA.3, 3.CA.7
Iowa 3.OA.A.1, 3.OA.A.3
Kansas 3.OA.1, 3.OA.3
Kentucky KY.3.OA.1, KY.3.OA.3
Louisiana 3.OA.A.1, 3.OA.A.3
Maine 3.OA.A.1, 3.OA.A.3
Maryland 3.NOS.B.2, 3.AT.A.1
Massachusetts 3.OA.A.1, 3.OA.A.3
Michigan 3.OA.A.1, 3.OA.A.3
Minnesota 3.1.2.3, 3.2.2.1, 3.1.2.4, 3.2.2.2
Mississippi 3.OA.1, 3.OA.3
Missouri 3.RA.A.1, 3.RA.A.3, 3.RA.A.4
Montana MT.3.OA.1, MT.3.OA.3
Nebraska 3.A.1.f, 3.A.1.c
Nevada 3.OA.A.1, 3.OA.A.3
New Hampshire 3.OA.A.1, 3.OA.A.3
New Jersey 3.OA.A.1, 3.OA.A.3
New Mexico 3.OA.A.1, 3.OA.A.3
New York NY-3.OA.1, NY-3.OA.3
North Carolina NC.3.OA.1.a, NC.3.OA.3.a, NC.3.OA.3.b
North Dakota 3.AR.OA.4, 3.AR.OA.5
Ohio 3.OA.1, 3.OA.3
Oklahoma 3.N.2.1, 3.N.2.7
Oregon 3.OA.A.1, 3.OA.A.3
Pennsylvania CC.2.2.3.A.1
Rhode Island 3.OA.A.1, 3.OA.A.3
South Carolina 3.PAFR.1.2
South Dakota 3.OA.A.1, 3.OA.A.3
Tennessee 3.OA.A.1, 3.OA.A.3
Texas 111.4.b.6.A, 111.5.b.4.D, 111.5.b.4.E, 111.5.b.4.K, 111.5.b.5.B
Utah 3.OA.1, 3.OA.3
Vermont 3.OA.A.1, 3.OA.A.3
Virginia 3.CE.2a, 3.CE.2e
Washington 3.OA.A.1, 3.OA.A.3
West Virginia M.3.1, M.3.3
Wisconsin M.3.OA.A.1, M.3.OA.A.3

Groups or how many in each?