Classify Objects

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Answer Key & Explanations

Classify Objects · Kindergarten · Worksheet 1

1. Hana is at the zoo with her family. She sees a group of animals: a big elephant, a small mouse, a big giraffe, and a small rabbit. Hana wants to put the animals into two groups: big animals and small animals. Which group does the giraffe belong to? Answer: big animals Solution: The giraffe is a very tall animal, much bigger than a mouse or a rabbit, so it belongs in the big animals group with the elephant.
2. Ava is helping her grandma sort buttons. There is a jar for round buttons and a jar for square buttons. Ava finds a square button that is blue with two holes. Which jar should she put the square button in? Answer: the jar for square buttons Solution: Look at the button. It is described as a square button. Step 2: The jars are for round buttons and square buttons.
   Full step-by-step solution

   Step 1: Look at the button. It is described as a square button. Step 2: The jars are for round buttons and square buttons. Step 3: Since the button is square, it belongs in the jar for square buttons. The answer is: the jar for square buttons.

3. At the park, Mia sees 5 yellow flowers and 3 red flowers. Mia wants to pick all the yellow flowers. How many yellow flowers will Mia pick? Answer: 5 Solution: Count the yellow flowers: 5. Step 2: Count the red flowers: 3. Step 3: Mia wants to pick only yellow flowers.
   Full step-by-step solution

   Step 1: Count the yellow flowers: 5. Step 2: Count the red flowers: 3. Step 3: Mia wants to pick only yellow flowers. So Mia picks 5 flowers. The answer is 5.

4. Kaia has these sports balls: ⚽️ ⚽️ 🏀 ⚽️ 🏀 🏀 ⚽️ 🏀 ⚽️. Count only the soccer balls (⚽️). How many soccer balls are there? Answer: 5 Solution: Look at each ball in order: ⚽️, ⚽️, 🏀, ⚽️, 🏀, 🏀, ⚽️, 🏀, ⚽️. We need to count only the soccer balls (⚽️). Find each soccer ball in the list: positions 1, 2, 4, 7, and 9 are soccer balls.
   Full step-by-step solution

   Step 1: Look at each ball in order: ⚽️, ⚽️, 🏀, ⚽️, 🏀, 🏀, ⚽️, 🏀, ⚽️. Step 2: We need to count only the soccer balls (⚽️). Step 3: Find each soccer ball in the list: positions 1, 2, 4, 7, and 9 are soccer balls. Step 4: Count the soccer balls: 1, 2, 3, 4, 5. The answer is 5.

5. Hana has these fruits: 🍋 🍌 🍋 🍋 🍌 🍌 🍋 🍌. Count only the lemons (🍋). How many lemons are there? Answer: 4 Solution: Look at the fruits in order: 🍋, 🍌, 🍋, 🍋, 🍌, 🍌, 🍋, 🍌. We need to count only the lemons (🍋). Find each lemon in the list: position 1 is a lemon, position 3 is a lemon, position 4 is a lemon, position 7 is a lemon.
   Full step-by-step solution

   Step 1: Look at the fruits in order: 🍋, 🍌, 🍋, 🍋, 🍌, 🍌, 🍋, 🍌. Step 2: We need to count only the lemons (🍋). Step 3: Find each lemon in the list: position 1 is a lemon, position 3 is a lemon, position 4 is a lemon, position 7 is a lemon. Step 4: Count the lemons: 1, 2, 3, 4. Step 5: There are 4 lemons. The answer is 4.

6. Ava is sorting her toys. She has 1 red ball, 1 blue block, and 1 red car. She puts all the red toys in one group. Which toy belongs in the red group? Answer: red ball and red car Solution: Ava is sorting toys by color. The red ball and red car are both red, so they go in the red group. The blue block is a different color, so it stays out.
7. Emma is helping her teacher sort the classroom blocks. There are three buckets: one for red blocks, one for blue blocks, and one for yellow blocks. Emma finds a round block that is yellow. Which bucket should Emma put the yellow round block in? Answer: the yellow bucket Solution: The block is yellow, so it belongs in the yellow bucket. The buckets are sorted by color, not by shape, so even though the block is round, we look at its color to decide.
8. Charlotte has these fruits: 🍌 🍎 🍌 🍎 🍌 🍌 🍎. How many bananas are there? Answer: 4 Solution: Look at the fruits in order: 🍌 (banana), 🍎 (apple), 🍌 (banana), 🍎 (apple), 🍌 (banana), 🍌 (banana), 🍎 (apple). Count only the bananas: positions 1, 3, 5, and 6 are bananas. Count them: 1, 2, 3, 4.
   Full step-by-step solution

   Step 1: Look at the fruits in order: 🍌 (banana), 🍎 (apple), 🍌 (banana), 🍎 (apple), 🍌 (banana), 🍌 (banana), 🍎 (apple). Step 2: Count only the bananas: positions 1, 3, 5, and 6 are bananas. Step 3: Count them: 1, 2, 3, 4. The answer is 4.

9. Tane is at the park with his toys. He has a big red ball, a small red ball, a big blue ball, and a small blue ball. He wants to sort them by size. Which group does the big red ball go into? Answer: big group Solution: We sort objects by looking at one thing at a time. Here, Tane is sorting by size, so we look at whether each ball is big or small, not its color. The big red ball is big, so it goes with other big balls.