What is the name of the "new" method of addition that we worked on in class?
Partial-sums addition
100
What is the name of the "new" method of subtraction that we worked on in class?
Trade-First Method
100
What is a closed figure with 3 or more straight sides?
A Polygon
100
True or False:
When measuring, always start at zero.
True
100
2 is the __________ is this set of data.
2, 3, 3, 5, 7, 7, 8, 8, 8, 11
minimum
200
67+23 =
90
200
36-25 =
11
200
What does a right angle look like?
Double Points: What do you use to show that an angle is a right angle?
It is 90 degrees. It is like the corner of a sheet of paper.
200
What system of measurement do you use in science?
The metric system
200
11 is the __________ in this set of data.
2, 3, 3, 5, 7, 7, 8, 8, 8, 11
maximum (largest number in the set)
300
564+279 =
843
300
624 - 198 =
426
300
What is any 4 sided polygon called?
a quadrilateral
300
When you measure across a circle you are measuring the _________________.
diameter
300
8 is the __________ in this set of data.
2, 3, 3, 5, 7, 7, 8, 8, 8, 11
mode (value found the most often)
400
9,876 + 2,345 =
12,221
400
8,324 - 2,973 =
5,351
400
What is a polygon with 2 pairs of parallel sides?
Parallelogram
400
When you measure around a circle you are measuring the _________________.
circumference
400
9 is the __________ in this set of data.
2, 3, 3, 5, 7, 7, 8, 8, 8, 11
range
500
Could this be a correct ballpark estimate for 923 + 196?
900 + 200 = 1,100
Yes!
Remember that it is better to have more zeros when estimating so you can do it in your head!
500
What is the answer to 4,645 - 2,032?
4,645 - 2,032 = 2613
500
True or False:
A polygon is any shape with all sides the same length.
FALSE
A polygon is a closed figure of 3 or more straight sides.
An equilateral or regular polygon has all sides the same length.
500
Which is bigger: an inch or a centimeter?
An inch!
1 inch is about 2.5 cm
500
How do you find the median of a set of data?
Arrange the numbers from smallest to largest. Then mark the numbers off (smallest then biggest, smallest then biggest) until you have one left in the middle - the median.
If you have 2 numbers left, take the mean of those numbers.