Place Value
Expanded notation
Addition & subtraction
Surprise!
100
Which symbol makes the comparison true?
192.803__ 192.083
>
100
Hector received a check for one thousand seven hundred four dollars and ninety-six cents. How is the amount of his check written in expanded notation?
(1 x 1,000) + (7 x 100) + (4 x 1) + (9 x 0.1) +
(6 x 0.01)
100
6.15 − 2.89
3.26
100
100.205 + [3.4 − (0.04 + 2)] + 3
104.565
200
Round the following decimal to the nearest tenth.
3.572
3.6
200
A teacher wrote the number 54.672 on the board. Which expression represents the value of the 7 in expanded notation in the number 54.672?
7 x 0.01
200
Lamont opened a checking account with $220
.
- He spent $15 the first week.
- The second week he bought a new shirt that cost $27.99.
- Then he withdrew $79.99 to buy a game.
How much money does he have in his account now?
$97.02
200
Part B
What is this number written in word form?
2745.638
Two Thousand seven hundred forty-five and six hundred thirty-eight thousandths
300
Round 3.482 to the nearest hundredths place.
3.48
300
Mercury travels around the Sun at a speed of 47.88 kilometers per second. Write it in expanded notation using fractions.
300
Kay and Janna found a piece of wood that measured 69.49 inches.
- Janna cut off 8.25 inches for her school project.
- Kay needs a piece of wood that measures about 55.5 inches in length for a building
project.
About how many inches of wood will be left after Kay cuts off the length of wood that she
needs for her project?
About 5 inches
300
Which number shows 3.25 rounded to the nearest tenth?
3.3
400
In Formula One racing, teams of carmakers and drivers compete for the World Championship title in a series of races that happen in different places around the world.
At the track in Melbourne, Australia, one lap around the racetrack is equal to 2.465 miles.
What is the value of the digit 5 in this number?
Five thousandths
400
The US Mint says the mass of a dime is 2.259 grams. Which best represents the mass of a dime in expanded notation?
2(1) + 2(0.1) + 5(0.01) + 9(0.001)
400
4(21.5 + 16.5) ÷ 8
19
400
Mount St. Helens is about 36,301.015 centimeters high. Write a number shows this height rounded to the nearest hundredth?
36,301.02
500
Use these digits when answering Parts A and B: 2, 3, 4, 5, 6, 7, 8.
Jennifer made a seven-digit number with four whole number places and three decimal places.
She used a 2 in the thousands place, 4 in the tens place, 6 in the tenths place, and 8 in the
thousandths place.
Part A
Jennifer wanted to make the largest number possible as she placed the remaining digits.
Write the number that she formed.
___ ___ ___ ___ . ___ ___ ___
2745.638
500
Speed in miles per hour (mph) can be converted to speed in kilometers per hour (km/h) by multiplying the speed in mph by the number
(1 × 1) + (5 × 0.1) + (8 × 0.001).
What is this value written in standard form?
1.508
500
[(76 ÷ 2) × 8] ÷ (10.1 + 5.9)
19
500
Rebecca watered five plants and recorded the amount of water she used for each in a table.
Which list shows the two plants that were given the most water listed from Greatest to Least?
Plant 2, Plant 4