Place Value
What is "place value?" use an example.
"Place value" in the position and value of digit within a number.
ex. 104 --> the place value of 4 would be ones, meaning there are 4 ones.
A mixed number can covert to a _____________.
Improper fraction
What are the 3 symbols used for comparing numbers?
> Greater than
< Less than
= Equal to
True or false: You can round a number to any place value (ex. tens, hundreds, thousandths, etc.)
TRUE!
True or false - I can not convert a decimal into a fraction, it can only be converted into a percentage.
FALSE! It can convert to both!
Identify the place value of the underlined number:
109 568
The number 9 is in the thousands place value.
Convert the following improper fraction into a mixed number:
39/5
7 4/5
Use your comparing number symbols (><=) to answer the following question:
150.123 ____ 150.12
150.123 _>_ 150.12
Round the following number to the nearest tens place:
8546
8550
I know this because 46 rounds up to 50 instead of down to 40. If the number after it is 5 or more it rounds up, if it is 4 or less it rounds down.
True or False:
0.6 is 6% as a percentage and 6/100 as a fraction.
FALSE. 0.6 is 60% and 60/100.
6% and 6/100 would have the decimal 0.06!
Identify the place value of the underlined number:
1 567 432.5681
The number 6 is in the hundredths place value.
What is an equivalent fraction?
List 2 equivalent fractions for 1/2
1/2 = 2/4, 3/6, 4/8, 5/10 ....
Order the following numbers from LEAST to GREATEST:
12.12, 12, 0.12, 1.2, 12.2
0.12, 1.2, 12, 12.12, 12.2
Round the following number to the nearest thousand:
18 671
19,000 because 8671 will round up to 9000 instead of down to 8000. The 1 in the ten thousands (or anything before that) will stay the same.
Convert the following fraction into a decimal:
5/10
5/10 would be 0.5 as a decimal.
On the board, draw a place value chart from:
gr. 5 - hundred thousands to hundredths
gr. 6 - millions to thousandths
Millions, hundred thousands, ten thousands, thousands, hundreds, tens, ones, tenths, hundredths, thousandths.
Covert this mixed number into a improper fraction:
11 1/2
23/2
(11x2 = 22 + 1 = 23 and denominator stays as a 2)
Order the following from GREATEST TO LEAST:
-1, -1.5, 1.5, 1, 0, 0.5
1.5, 1, 0.5, 0, -1, -1.5
Round the following number to the nearest tenths:
14.541
14.5 because I looked at the number after the tenths place and it was a 4, meaning my 5 will stay the same and I will drop all the other numbers.
Write 75% as a decimal and a fraction.
75%
Decimal = 0.75
Fraction = 75/100
What are the 3 forms we can write a number in?
Write the 3 forms for the following number (grade 5's without the millions place value):
1941617.537
3 forms: standard, expanded and written form
Standard: 1941617.537
Expanded: 1,000,000 + 900,000 + 40,000 + 1000 + 600 + 10 + 7 + 0.5 + 0.03 + 0.007
Written: one million, nine hundred forty one thousand, six hundred seventeen and five hundred thirty seven thousandths
Convert the following improper fraction into a mixed number.
100/4
25
175, 17.5, -175, -1.75, -1.5, 0, 7.5
175, 17.5, 7.5, 0, -1.5, -1.75, -175
Round the following number to:
gr. 5's - the nearest hundredths
gr. 6's - the nearest thousandths
60.1276
Gr. 5 - 60.13 --> the 2 was in the hundredths place value. I looked at the number after and it was a 7. If it is 5 or more I round up. 7 is more than 5 so I round my 2 up to a 3.
Gr. 6 - 60.128 ---> The 7 was in the thousandths place value. I looked at the number after and it was a 6. If it is 5 or more I round up. 6 is more than 5 so I round my 7 up to an 8.
*You can use a calculator for this question*
Andrew got 15/20 on his math quiz. Domanik got 75% on his math quiz. Who got the higher grade? Explain/show how you know.
15/20 = 0.75 meaning that Andrew got 75% on the quiz. Domanik also got 75% on the quiz, so both of them got the same mark. Neither of them got a better mark than the other!