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Kilograms and grams

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by

Natasha Sagredo

on 19 November 2014

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Transcript of Kilograms and grams

Learning Target:
I can build and
decompose a kilogram to reason
about the size of 1 kilogram, 100
grams, 10 grams, and 1 gram.

Essential Question:
Can I build and decompose 1
kilogram, 100 grams, 10 grams, and 1
gram?
You are now holding
1 kilogram
of beans.
What do you think will happen when I put a 1-kilogram weight on one of the pans?

(Turn and talk)



Now, what do you think will happen when I put a
1-kilogram
bag of beans on the other side?
(Turn and talk)
How do we know its balanced now?
Now its your turn!
Step 1:
Put a 1 kg bag of beans on one of the
pans.

Step 2:
Put the other bag on the other side
and add rice to it until the pan balance
is balanced.

Step 3:
Answer problem #1 in the problem set.
Today we will explore a
kilogram!
Kilograms and grams
A
kilogram
is a unit used to measure weight and can be abbreviated by writing
kg
.


1 kg = 1 kilogram

Problem set #1

Illustrate and describe the process of making a
1 kilogram
weight.

Using a dry erase marker, draw a ten frame that covers the whole bag of rice:
= 1 kilogram of rice
We just broke it up into
10 equal parts
. Smaller units of measure called
grams.
Each part of this ten frame is about 100 grams of rice.
Lets skip count by hundreds!

How many grams of rice are in the whole bag?
1 kg = 10 hundreds, or 1,000 g

Is this statement true?
why or why not?
Vocabulary
kilogram
= A unit used to measure
weight.

gram
= a metric unit of mass.

partitioning
= to break apart, or divide
into equal parts.

decompose
= break down into simpler
units.

pan balance
= a tool used to measure
weight.

abbreviation
= a shortened version of a
word.
Problem set #2
Illustrate and describe the process of partitioning
1 kilogram
into
100 grams
.
What did we learn?
What did we learn?
Full transcript