Page 27 - NUMINO TG_2A

Activity 3 What Is a Number’s Place Value?

jOb ective Understand digits and place values.

1. Textbook Instructions Activity 3 What Is a Number’s Place Value?

Draw a place value chart on the board to Find the place value. A place-value chart shows
explain about place values using base-ten the value of the digit in a
blocks. number.
How many blocks do we need in the
hundreds, tens, and ones place to make 3 hundreds 327
327? 3 hundreds blocks, 2 tens blocks, and 2 tens
7 ones blocks. 7 ones
What does 3 in 327 represent? 3 or 300?
300. Hundreds Tens Ones 3 is the digit in the hundreds place.
Why? The 3 in 327 means we need 3 2 7 It represents 300.
3 hundreds blocks, so it is 300.
What about the 2? Does it represent 2 or 3 7 2 is the digit in the tens place.
20? 20. 2 It represents 20.
What about the 7? 7.
7 is the digit in the ones place.
It represents 7.

1. Have students use base-ten blocks to 1 How much does the blue number represent? Circle the value of
solve the problems.
1a. the blue digit.

249 a 249 b 156

900 or 90 or 9 500 or 50 or 5

Place Hundreds Tens Ones c 643 d 210 e 589
2 4 9
Digit 400 or 40 or 4 200 or 20 or 2 900 or 90 or 9
200 40 9
Place 8
Value

2. Build Understanding

Students could misunderstand the true value of a Learn about digits in numbers and their place
digit if they are not familiar with place values. values using base-ten blocks
The value of a digit changes depending on the Have students use base-ten blocks to understand
place value. more about digits and their place values.

333 place values 3 ones mean 3.
3 3 tens mean 30.
30 3 hundreds mean 300.
300

010 NUMINO Teacher s Guide