A to Z Math Book Create by Nicolette Sweeney. Array A set of objects or numbers arranged in rows and...
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Transcript of A to Z Math Book Create by Nicolette Sweeney. Array A set of objects or numbers arranged in rows and...
A to ZA to ZMath BookMath Book
A to ZA to ZMath BookMath Book
Create by Nicolette SweeneyCreate by Nicolette Sweeney
Array
A set of objects or numbers arranged in rows and columns
Pablo set up an array of apples by lining them up in three rows and three columns.
BaseThe bottom line of a shape or bottom face of a solid
If the base of my toy box was not on the floor, all the toys would fall
out!
Circumference
Distance around a circle
The circumference of a quarter is greater than the circumference of a
dime.
DeductTo subtract
$5.00-$2.00= $ 3.00
My mom says if I forget to take out the trash one more time, she will
deduct $2.00 from my allowance!
- =
Estimate
An approximate calculation, often based on rounding
Our teacher says that if our estimate of how many jelly beans are in the jar is close to the actual number, we can eat
them!
Fraction
A part of a whole
Since I have two hungry brothers, I know I will only get a small
fraction of the pizza when it arrives!
Graph
Diagram used to record information
When I saw the bar graph, it was easy to see that seven of my classmates
have dogs.
Hemisphere
Half of a sphere
The United States is located in the Northern Hemisphere of the
Earth.
Isosceles Triangle
A triangle with two equal sides and two equal angles
The head of an arrow is an isosceles triangle.
Jump StrategyBreaking down an addition or
subtraction problem into smaller numbers
17+31
0 10 20 30 40 50
17 27 37 47 48
+10 +10 +10 +1
Tommy solved the difficult addition problem by using the jump strategy.
Kilogram
Standard metric unit for measuring weight
At football practice, Austin weighed in at 63 Kilograms.
Less
Not as many as
< 8 cookies
I counted my cookies and realized that I had 2 less than my brother
did.
Median
The middle number in a set of ordered values
14 25 39 46 79 103 110
Finding the median of a set of numbers is much simpler when you
order the numbers from least to greatest first!
Numerator
The number above the line of a fraction that shows the number of
parts of the whole
Numerator
Denominator
1
2
3
5
Mom broke the cookie in two pieces and gave me one-half. When I write the fraction one-half, the number “1” is the numerator because it goes above the
line.
Octagon
A polygon with 8 sides
When I count the sides of a stop sign, I know it is an octagon because it has
eight sides!
Polygon
A plane shape that has three or more sides
You can identify a polygon by counting it’s number of sides.
QuotientThe number resulting from
dividing one number by another
4 2 2/ =Alex and I bought a pizza with 4 slices, we divided it in half
and got a quotient of 2 slices each.
Ray
A line that has a starting point but no ending point
The Sun’s rays heat up the Earth.
SphereA three-dimensional solid that is perfectly
round
When Johnny kicks the soccer ball around, he is playing with a
sphere.
Total
The sum or result of adding
3 + 4 = 7
Addend + Addend = Total
My sister picked 3 tomatoes and I picked 4. We picked a total of 7
tomatoes.
UnequalNot equal in amount
=
==
When we counted the money in our wallets, it was easy to see the amounts
were unequal.
Venn DiagramA diagram that shows
the relationship between sets
Students who have a pet dog
Students who have a pet cat
Susie
Joy
Branden
Alex
Carl
Joey
Jen
Linda
Nikki
Austin
Cynthia
Evolet
Since I have a cat and a dog, my name is in the middle of the Venn diagram.
WidthDistance across from side to
side
Johnny grew in width, so he had to buy new pants!
X- axisThe horizontal line on a
graph
X-axis
The x-axis in the above graph shows which pet students have.
Y-axis
Y-axisThe vertical line on a graph
The y-axis on the above graph shows how many students have each pet.
Zero
A numeral which indicates “none”
Madison was upset because she had zero cookies!