Show:
Random
Evaluate: Add or Subtract
Vocabulary
Rounding
Notation
100
When adding and subtracting decimals, what is the most important first step in the process?
lining up the decimal
100
YOU MUST SHOW YOUR WORK! Make an estimate first. 0.59 + 0.73 =
estimate: .5+.5=1 , exact: 1.32
100
Numbers that are represented in the format (x,y) are called...
ordered pair
100
Round the following number to the nearest hundredth, tenth AND whole number: 1.215
hundredth: 1.22, tenth:1.2, whole:1
100
Write the following decimal using numerals: seven hundred forty nine thousandths
.749
200
The x coordinate represents which movement: Horizontal(left and right) or vertical(up and down)?
Horizontal
200
YOU MUST SHOW YOUR WORK! Make an estimate first. 0.73 - 0.59 =
estimate: 1-.6=.4 , exact: 0.14
200
The word used to describe when you use numbers that are SIMILAR, but not exact, to take a guess of what you answer may be...
estimate
200
Round the following number to the nearest hundredth, tenth AND whole number: 8.094
hundredth: 8.09, tenth:8.1, whole:8
200
Write the following decimal using numerals: two and twenty four thousandths
2.024
300
The y coordinate represents which movement: Horizontal(left and right) or vertical(up and down)?
Vertical
300
YOU MUST SHOW YOUR WORK! Make an estimate first. 9.6 + 1.8 =
estimate: 10+2=12, exact: 11.4
300
The second place value position, to the left of the decimal, is called....
tens
300
Round the following number to the nearest hundredth, tenth AND whole number: 10.673
hundredth: 10.67, tenth:10.7, whole:11
300
Write the following decimal in words: .9
nine tenths
400
How do you connecting coordinate pairs on a grid?
With a Line
400
YOU MUST SHOW YOUR WORK! Make an estimate first. 9.6 - 1.8 =
estimate: 10-2=8, exact: 7.8
400
The third place value position, to the right of the decimal, is called....
thousandth
400
Round the following number to the nearest hundredth, tenth AND whole number: 7.208
hundredth: 7.21, tenth:7.2, whole:7
400
Write the following decimal in words: 5.19
five and nineteen hundreths
500
YOU MUST SHOW YOUR WORK! Make an estimate first. 100-19.19
estimate: 100-20=80, exact: 80.81
500
On the coordinate grid, the ordered pair (0,0) is called the...
origin
500
Explain how you round 3.216 to the nearest hundredth.
First you identify the digit in the hundredths place, which is a 1. Then you look at the digit to its right, which is a 6. Based on the adage "5 of above, give it a shove", the hundreds digit of 1 gets "shoved" to a 2. Keeping all other previous digits the same, my answer is 3.22.
500
Make the following changes to the number 3.128: Make the 1 worth ten times as much Make the 3 worth 1/10 as much Make the 2 worth 1/10 as much Make the 8 worth 10 times as much
1.382