Rounding
47 rounded to the nearest 10
50
What is a polygon?
2 dimensional shape where all sides are closed and do not cross.
10 x 10 =
What do we call the top number in a fraction?
numerator
Mrs. Chilton has 5 pencils on her desk. Two pencils fell off. How many pencils are still on her desk?
3 pencils
342 rounded to the nearest 100
300
What do you call a 2 dimensional shape with 3 sides?
triangle
30 divided by 6 =
5
What does the denominator tell us?
How many equal pieces there are.
Mrs. Gorf has 19 apples on her desk. Louis came in and ate 5 apples. How many apples are left?
14 apples.
True or False 739 rounded to the nearest hundred is 800
False
What is a quadrilateral?
A 2 dimensional shape with 4 sides.
6 x 7 =
42
What does it mean when the numerator and denominator are the same?
It's equal to 1 whole.
Mrs. Chilton has 432 Skittles in the candy jar. She dumps 248 more into the jar. How many Skittles in all?
680 skittles
555 rounded to the nearest 10
560
Name 2 quadrilaterals.
square, rectangle, rhombus, trapezoid, kite, and parallelogram
When we have 2 factors that are the same, we call them a square number. Why?
The array makes a square.
What fraction is equivalent to 1/2
2/4, 3/6, 4/8, 5/10, 6/12 etc...
Mrs. Chilton has 7 pieces of string. Each piece of string is 3 feet long. How many feet of string does she have in all?
21 feet
12, 289 rounded to the nearest 100
12, 300
What are the attributes (characteristics) of a polygon?
vertices, angles, and sides
What do we call the answer in this equation?
72 divided by 9 = 8
quotient
What fraction is equivalent to 2/3
4/6 or 5/8
Mrs. Jewels picked 48 apples and divided them into 8 bags for her students. How many apples did she put in each bag?
6 apples