CCSS
Recognize
that in for
a multi-digit
whole
a digit
in one place
NS 1.3G4.NBT.1
Identify the
place value
each digit
in number,
numbers
to 10,000.
represents ten times what it represents in the place to its right. Forexample, recognize
that 700 ÷ 70 = 10 by applying concepts of place value and division.
UNDERLYING SKILLS AND CONCEPTS:
place value;
representations for numbers;
multiply by 10
Identify Place Value
one thousand
1,000 10 100
E x am p l E
20 tens is the same as
2 hundreds, or 200.
one hundred
100 10 10
1
ten
10 10 1
one
1
E x am p l E
2
20 hundreds is the same as 2
thousands, or 2,000.
page 6
Chapter 1 – Lesson 3
C – © CSL Associates, Inc. All rights reserved.
a
K
ey Ide
Place value is based on groups of 10.
The value of a digit in a number increases
10 times each time it moves
one place to the left.
Name
P RAC T I C E
Complete each sentence.
1. 90 is the same as
9
tens.
2. 600 is the same as
6
hundreds.
3. 600 is the same as
60
tens.
4. 7,000 is the same as
7
thousands.
5. 3,000 is the same as
30
hundreds.
6. 1,000 is the same as
100
tens.
Underline the place value word.
Write a number to make each sentence true.
C – © CSL Associates, Inc. All rights reserved.
7. 12 tens is the same as
120
8. 17 hundreds is the same as
1,700
9. 150 tens is the same as
1,500
10. 75 ones is the same as
11. 25 hundreds is the same as
75
2,500
12. 43 tens is the same as
430
13. 200 tens is the same as
2,000
Math
Reasoning
Number Sense
MR 1.1
14. How many tens do you need to show 720 with base-ten blocks?
Explain.
72. Possible explanation: I need 10 tens for each
hundred. There are 7 hundreds so I need 70 tens. Then I
need 2 more tens to show 20. So, I need 72 tens in all.
Chapter 1 – Lesson 3
page 7
MCX94.HW.CL.G3.FM&Lesson.v211
8/3/04
13:56
Page 6
Name
…at home!
P RAC T I C E
Complete each sentence.
1. 80 is the same as
8
tens.
2. 500 is the same as
5
hundreds.
3. 500 is the same as
50
tens.
4. 8,000 is the same as
8
thousands.
5. 6,000 is the same as
60
hundreds.
6. 2,000 is the same as
200
tens.
Underline the place value word.
Write a number to make each sentence true.
140
8. 16 hundreds is the same as
1,600
9. 120 tens is the same as
1,200
10. 25 ones is the same as
11. 75 hundreds is the same as
25
7,500
12. 24 tens is the same as
240
13. 400 tens is the same as
4,000
Math
Reasoning
Number Sense
MR 1.1
14. How many tens do you need to show 640 with base-ten blocks?
Explain.
64. Possible explanation: I need 10 tens for each
hundred. There are 6 hundreds so I need 60 tens. Then I
need 4 more tens to show 40. So, I need 64 tens in all.
page 6
Home Resource and Homework
Chapter 1 Lesson 3
C – © CSL Associates, Inc. All rights reserved.
7. 14 tens is the same as
MCX94TEG3Ch01_32.v8.9.3 2/21/01 14:43 Page 15
Name
P RAC T I C E
Complete each sentence.
1. 90 is the same as
9
tens.
2. 600 is the same as
6
hundreds.
3. 600 is the same as
60
tens.
4. 7,000 is the same as
7
thousands.
5. 3,000 is the same as
30
hundreds.
6. 1,000 is the same as
100
tens.
Underline the place value word.
Write a number to make each sentence true.
120
C – © CSL Associates, Inc. All rights reserved.
7. 12 tens is the same as
8. 17 hundreds is the same as
1,700
9. 150 tens is the same as
1,500
75
10. 75 ones is the same as
11. 25 hundreds is the same as
2,500
12. 43 tens is the same as
430
13. 200 tens is the same as
2,000
Math
Reasoning
Number Sense
MR 1.1
14. How many tens do you need to show 720 with base-ten blocks?
Explain.
72. Possible explanation: I need 10 tens for each
hundred. There are 7 hundreds so I need 70 tens. Then I
need 2 more tens to show 20. So, I need 72 tens in all.
Chapter 1 – Lesson 3
Student Book Page
page 7
Name
…at home!
P RAC T I C E
Complete each sentence.
1. 80 is the same as
8
tens.
2. 500 is the same as
5
hundreds.
3. 500 is the same as
50
tens.
4. 8,000 is the same as
8
thousands.
5. 6,000 is the same as
60
hundreds.
6. 2,000 is the same as
200
tens.
Underline the place value word.
Write a number to make each sentence true.
140
8. 16 hundreds is the same as
1,600
9. 120 tens is the same as
1,200
10. 25 ones is the same as
11. 75 hundreds is the same as
25
7,500
12. 24 tens is the same as
240
13. 400 tens is the same as
4,000
Math
Reasoning
Number Sense
MR 1.1
14. How many tens do you need to show 640 with base-ten blocks?
Explain.
64. Possible explanation: I need 10 tens for each
hundred. There are 6 hundreds so I need 60 tens. Then I
need 4 more tens to show 40. So, I need 64 tens in all.
page 6
Home Resource and Homework
Chapter 1 Lesson 3
C – © CSL Associates, Inc. All rights reserved.
7. 14 tens is the same as