Mathematics
Kindergarten
10 min
Parts and whole
Understand parts of a whole
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1
Introduction & Learning Objectives
Learning Objectives
Point to a 'whole' object when asked.
Identify a 'part' of a whole object.
Use the words 'part' and 'whole' in a sentence.
Explain that parts come together to make a whole.
Show 'some' items from a whole group.
Identify when they see 'all' of the items.
Look at your hand! 🖐️ Is your finger a part or the whole hand?
We will learn fun new words! We will learn 'part' and 'whole'. This helps us talk about our toys and food. 🧸🍕
Real-World Applications
Sharing a cookie with a friend 🍪
Building a tower with blocks 🧱
Putting a puzzle together 🧩
Eating one slice of an orange 🍊
2
Key Concepts & Vocabulary
TermDefinitionExample
WholeThe entire thing. All of it together. ✨A whole pizza before you cut it. 🍕
PartA small piece of the whole thing. 🧩One slice of the pizza is a part. 🍕
TogetherWhen all the parts are in one place. 👨👩👧👦All the puzzle pieces are together in the box.
SeparateTo take parts away from each other. 👋You separate one block from the tower. 🧱
AllEvery single one in a group. 🎈🎈🎈All the balloons are red.
SomeJust a few parts of the group. 🍓🍓Some of the strawberries are big.
3
Core Formulas
The Putting Together Rule
Part + Part = Whole
When you put parts together, you make a whole. Like building with blocks! 🧱
The Taking Apart Rule
Whole - Part = Another Part
If you take a part away, you still have another part left. Like eating one cookie from a plate. 🍪
4 more steps in this tutorial
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Challenging
You have these parts: two slices of bread 🍞, one slice of cheese 🧀. What whole thing can you make?
A.whole loaf of bread
B.glass of milk
C.cheese sandwich 🥪
D.block of cheese
Challenging
A plant 🌱 is a whole. It needs parts like roots, a stem, and leaves to live. Which choice describes the parts working 'together'?
A.The roots drink water for the whole plant.
B.The leaves fall off.
C.The stem is brown.
D.The plant is in a pot.
Challenging
A teddy bear 🧸 is a whole. Which part, if missing, would make it LEAST like a teddy bear?
A.The head
B.button eye
C.The little tail
D.ribbon
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