Mathematics
Kindergarten
10 min
Long and short
Compare lengths of objects
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1
Introduction & Learning Objectives
Learning Objectives
Identify which of two objects is long.
Identify which of two objects is short.
Directly compare two objects by length.
Use the words 'longer' and 'shorter' correctly.
Sort a small group of objects into 'long' and 'short' categories.
Find an object that is longer or shorter than a given object.
Look at your fingers! 🖐️ Is your pinky finger long or short?
Today, we will learn about long and short. We will look at fun things. We will see which is longer!
Real-World Applications
Choosing a long ribbon for a gift 🎁
Finding a short pencil for a small box ✏️
Seeing if your toy car is longer than your friend's 🚗
Picking a long noodle to slurp 🍝
2
Key Concepts & Vocabulary
TermDefinitionExample
LongSomething that takes up a lot of space from end to end.A big school bus is long. 🚌
ShortSomething that takes up a little space from end to end.A little ladybug is short. 🐞
CompareTo look at two things to see how they are different.Let's compare an apple 🍎 and a banana 🍌.
LongerWhen you compare two things, this is the one that is more long.A train 🚂 is longer than a car 🚗.
ShorterWhen you compare two things, this is the one that is more short.A crayon 🖍️ is shorter than a paintbrush 🖌️.
Same LengthTwo things are the same size from end to end.These two pencils are the same length. ✏️ = ✏️
3
Core Formulas
The Line-Up Rule
Start them at the same spot.
To compare two things, put their ends together. Make them start at the same line.
The See-Which-Sticks-Out Rule
Look for the end.
After you line them up, see which object goes farther. That one is longer!
4 more steps in this tutorial
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Sign Up Free to ContinueSample Practice Questions
Challenging
A long piece of spaghetti is straight. You break it exactly in the middle. What do you have now?
A.One long piece and one short piece
B.Two short pieces that are the same length
C.One very short piece
D.It disappears
Challenging
There are three boxes. The red box has a long pencil. The blue box has a short eraser. The green box has something longer than the eraser but shorter than the pencil. What could be in the green box?
A.paperclip
B.ruler
C.crayon
D.piece of dust
Challenging
A big slide is 10 steps long to climb. A small slide is 4 steps long. How many more steps does the long slide have than the short slide?
A.4 steps
B.10 steps
C.6 steps
D.14 steps
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