Sorting Objects into Categories

Kindergarten MathMeasurement and Data3 pages

About this worksheet

Sort, Count, and Order! walks kindergarten students through Common Core K.MD.3 in four numbered steps. A picture collection of 12 items opens the sheet, from an apple and a dog to a train and a strawberry. Students classify them into Vehicles, Animals, and Fruits using a counting table, landing on totals of 3, 4, and 5. Step 3 orders the categories from fewest to most by name. A which-one-does-not-belong section finishes the sheet: a tractor hides among farm animals and an apple among clothes, and students cross out the impostors.

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$Sorting Objects into Categories: Measurement and Data - page 1$

$Sorting Objects into Categories: Measurement and Data - page 2$

$Sorting Objects into Categories: Measurement and Data - page 3$

Curriculum objectives covered

K.MD.3

“Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.”

Steps 2 and 3 execute the standard directly, counting Vehicles (3), Animals (4), and Fruits (5) and then sorting the categories by those counts. Step 4 tests classification in reverse by hunting the item that breaks a category.

What's inside this worksheet

Step 1: Look at the Collection

Twelve picture items sit mixed together: apple, dog, car, banana, cat, bus, orange, frog, train, pear, bird, and strawberry.

Step 2: Classify and Count

A table lists the three categories with their members spelled out, such as Car, Bus, Train under Vehicles. Students write how many are in each: 3 vehicles, 4 animals, 5 fruits.

Step 3: Sort Categories by Count

Three labeled lines ask for the category names in order: least with a count of 3, middle with 4, most with 5. Students write Vehicles, Animals, then Fruits.

Step 4: Which One Does Not Belong?

Two groups each hide one wrong item. Students cross out the tractor among the farm animals (pig, cow, sheep) and the apple among clothes to wear (shirt, hat, socks).

How teachers use it

Structured first sort

The numbered steps hold students' hands through the full classify-count-order cycle. Use it the first time you formalize sorting, before looser open sorts.

Reasoning aloud

Step 4 begs for justification. The key's own logic, a tractor is a machine and not an animal, is the sentence stem to demand from students before they cross anything out.

Real-object remake

After the sheet, dump a tub of classroom objects on the rug and rerun the four steps with new categories. The printed table becomes the recording sheet model.

More Kindergarten Math worksheets

Counting and Cardinality Addition and Subtraction Numbers in Base Ten Geometry

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