Lesson 1
What is the value of each digit in this number? 2,519
2:
5:
1:
9:
2,000
500
10
9
The way you "normally" see a number is called _________ form.
Standard form
6,091 ____ 6,901
<
Less than
Round 6,174 to the nearest ten.
6,170
What is the value of each digit in this number? 41,358
4:
1:
3:
5:
8:
40,000
1,000
300
58
8
This form is when you decompose numbers by place value.
Expanded form
17,986 ___ 17,689
>
Greater than
Round 9,163 to the nearest hundred.
9,200
10x greater
This number form is when you write it out using words. You cannot forget your commas and hypens!
Word form
125,084 ____ 25,999
>
Greater than
Round 2,801 to the nearest thousand.
3,000
When you move one place value to the RIGHT, it is 10 x greater, or 1/10 of?
1/10 of
What is this number in expanded form?
67,819
60,000+7,000+800+10+9
OR
(6 x 10,000)+(7 x 1,000)+(8 x 100)+(1 x 10)+(9 x 1)
5,712 7,521 5,217
5,217 5,712 7,521
Round 1,971 to the nearest hundred.
2,000
What is the relationship between the digit 4 in 412 and 341?
400 is 10x greater than 40
OR
40 is 1/10 of 400
Correct the mistakes in this word form:
fifty thousand two thousand one hundred twenty one
Fifty-two thousand, one hundred twenty-one
Write the numbers in order from GREATEST to LEAST
12,970 19,720 19,207
19,720 19,207 12,970
Round 9,812 to the nearest thousand.
10,000