Expanded and Standard Notation
Write 5431 in expanded form
(5×1000)+(4×100)+(3×10)+(1×1)
Solve
3/4 divided by 2/5
1 7/8
4.8 divided by 2
2.4
A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles.
Question: What is the probability of picking a blue marble? (fraction)
3/ 10
A student scored the following on five math tests:
88,92,79,85,9488, 92, 79, 85, 9488,92,79,85,94
Question: What is the average (mean) score of the student?
87.6
(8×1000)+(2×100)+(1×10)+(7×1)
write in standard form
8,217
7/6 divided by 1/3
3 1/2
15.75 divided by 0.5
31.5
You flip a coin twice. What is the probability of getting two heads?
fraction or percentage
1/4 or 25%
A regular hexagon has 6 equal sides. If one side of the hexagon is 5 inches, what is the perimeter of the hexagon?
30 inches
Write the number 45.372 in expanded notation.
(4×10)+(5×1)+(3×1/10)+(7×1/100)+(2×1/1000)
7 3/4 - 4 5/6
2 11/12
123.6 divided by 0.4
309
A spinner is divided into 8 equal sections numbered 1–8.
Question: What is the probability of not spinning a number greater than 5?
5/8 or 62.5 %
An item costs $10.43, and the sales tax rate is 6%.
Question: What is the total cost of the item including sales tax?
$11.06
Write the number 62.489 in expanded notation using parentheses and fractions.
(6×10)+(2×1)+(4×1/10)+(8×1/100)+(9×1/1000)
5 7/8 + 3 5/12
9 7/24
256.8 divided by 0.6
428
You roll a standard six-sided die and flip a coin at the same time.
Question: What is the probability of rolling an even number on the die and getting tails on the coin?
1/4 or 25%
How many 5/8's are in 7/12 ?
14/15
write in standard form
(3×1000)+(0×100)+(5×10)+(8×1)+(7×1/10)+(0×1/100)+(9×1/1000)
3058.709
Solve
2 3/4 + 5 2/3 + 1 5/6
10 1/4
372.96 divided by 0.12
3108
A spinner is divided into 6 equal sections numbered 1–6. You spin the spinner twice.
Question: What is the probability that the sum of the two spins is exactly 7?
(fraction please)
1/6
The following are the scores of 11 students on a math quiz:
82,95,76,88,91,79,85,94,87,90,83
Question: What is the median score?
87