In 103, 10 is called the ______________ and 3 is called the _______________
10 is called the base number and 3 is called the exponent
Write 234,567 in expanded form (without exponents)
200,000 + 30,000 + 4,000 + 500 + 60 + 7
What is the word form of this decimal:
0.8
Bonus: what is an equivalent decimal?
eight tenths
Bonus: 0.80 or 0.800 or 0.8000 etc...
12.345 or 13.345
13.345
Round 1.39 to the nearest tenth
(remember to drop all digits after the rounding digit)
1.4
When the base number is 10, the exponent tells us the number of zeros in the product.
103= ______________
104= __________
105= __________
104= 10,000 (4 zeros)
105= 100,000 (5 zeros)
Write 123 in expanded form without exponents
100 + 20 + 3
What place is the three in?
0.034
Hundredths place
2.037 or 2.37
2.37
Round 16.892 to the nearest hundredth
Bonus: to the nearest tenth?
16.89
Bonus: 16.9
10 x 10 x 10 x 10 x 10
100,000
One hundred thousand
Write 200,000 + 300 + 50 + 7 in word form
two hundred thousand, three hundred and fifty seven
Write 0.137 in expanded form with fractions
(1/10) + (3/100) + (7/1000)
3.099 or 3.111
3.111
Round 134.37 to the nearest whole number
134
(7 x 106) =
7 x 1,000,000
7,000,000
7 million
Write the standard form of (2 x 103) + (4 x 102) + (7 x 10) + 3
2,473
(word form: two thousand four hundred seventy three)
Write 13.037 in expanded form with decimals
10 + 3 + 0.03 + 0.007
Write 2 equivalent decimals for 0.9 (nine tenths)
Bonus: Write 2 equivalent fractions for 0.9
0.90 (ninety hundredths)
0.900 (nine hundred thousandths)
Bonus: (9/10) or (90/100) or (900/1000)
Ms. Sieber is buying a candy bar for $5.75 is $5.75 closer to $5 or $6? Explain
It is closer to $6
$5.75 is only 25 cents away from $6 but it is 75 cents away from $5.00
(7 x 106) + (3 x 105) + (2 x 102) + 3
7,000,000+ 300,000 + 200 + 3
7,300,203
7 million three hundred thousand two hundred and three
Write the expanded form of 79,832 using exponents
Start with expanded form: 70,000 + 9,000 + 800 + 30 + 2
Then replace with exponents: (7 x 104) + (9 x 103) + (8 x 102) + (3 x 101) + 2
or
(7 x 104) + (9 x 103) + (8 x 102) + (3 x 10) + 2
Write 100 + 50 + 7 + 0.9 + 0.008 in standard form
157.908
Explain why is 13.0001 greater than 3.9999?
13 is greater than 3
Round 16.819 to the nearest tenth
16.8