Page 21 - NUMINO TG_3A

01Unit About 1,000

jOb ective Understand, read, and write 1,000.

1. Textbook Instructions UNIT

Have students understand that when they 01 About 1,000
add 10 base-hundred blocks they get 1,000.
How many cubes are in this block?
How many cubes are in this block?
Give students enough time to actually count
the cubes or think about how many cubes
there are. Whether they say 1,000 or say the
wrong answer, have them discuss their
answers with each other.
Look at the side of this block. How many
cubes are there? 100.
How many layers of hundreds would you
need to make this block? 10.
When you have 10 base-hundred blocks,
you have 1,000. How many base-ten
blocks do you need to make 1,000? How
many base-one blocks do you need? 100
base-ten blocks or 1,000 base-one blocks
are needed to make 1,000.

10 hundreds 1,000

There are 10 hundreds in 1,000.
It is read as one thousand.

2

2. Build Understanding

Teaching About 1,000 If there are 10 ones, it is 10.
Demonstrate how big one hundred is using a real life problem; relate If there are 10 tens, it is 100.
one, ten, and hundred. If there are 100 tens, it is 1,000.
Tell students to write 0 with a different color as shown on the right.
Problem: A person has 10 fingers. If there are 10 people, how many

fingers are there in all?
Answer: There are 100 fingers. If there are 100 people, there will be

1,000 fingers.

004 NUMINO Teacher s Guide