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What is 1 + 3?
4th grade Math
bold vocab terms
all the numbers in the sequence 1, 2, 3, 4, and so on
a following of one thing after another in time
a number, a variable, or the product of a number and a variable
counting numbers and zero
the symbols used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9
community property of addition
numbers that are added together
the form of a number that shows the value of each digit;
the answer to a subtraction problem
Opposite operations that undo each other; add and subtract or multiply and divide
A group of three numbers related by addition and subtraction or by multiplication and division.
numbers that describe position or order (first, second . . .)
identity property of addition
Adding zero to any number will not change the number. Example: 6 + 0 = 6.
a step-by-step procedure for solving a problem
a whole number that is divisible by 2
a whole number that is not divisible by two
Positive and Negative Whole Numbers and 0. Examples: .... -3, -2, -1, 0, 1, 2, 3.....(Does not include fractions or decimals)
A mathematical sentence that contains an equals sign.
mathematics dealing with lines, angles, surfaces, and solids
an exact position
a straight collections of points extending in opposite directions without end
part of a line with two endpoints
(mathematics) a straight line extending from a point
Going straight across from side to side
upright; perpendicular to horizontal
slanted or sloping; not horizontal or vertical
A line for representing and graphing numbers. Eachpoint on the line corresponds to a number.
numbers less than zero and to the left of zero on a number line
small marks used for counting with the largest group being a group of five
Products that result from multiplying the number by each of the whole numbers. Ex) 6: 6, 12, 18, 24, 30, 36...
Numbers that are multiplied together to get a product
a quantity obtained by multiplication
States you can add or multiply in any order
property of zero for multiplication
zero times any number is zero
identity property of multiplication
the product of any number and 1 is equal to the original number (a x 1 = a)
an arithmetic operation that is the inverse of multiplication
the number being divided
the answer to a division problem
part of a whole
the bottom number in a fraction, the part of a fraction below the line, which tells how many equal parts there are in the whole or in the group.
the part of a fraction above the line, which tells how many parts are being counted.
This is the method for solving division problems with the following steps: divide, multiply, subtract, bring down (26)
ante meridiem, before noon
after noon, post meridiem
a period of 100 years
a type of number line used for measuring
Metric unit for measuring temperature; On this scale water freezes at zero and boils at 100.
A temperature scale with the freezing point of water 32 degrees and the boiling point of 212 degrees is also known as,
a year in which an extra day is added to the calendar, year that has an extra day; occurs every fourth year
A year with 365 days
a period of 10 years
a period of one thousand years
A ratio that compares a number to 100
lines that never intersect
intersect and form right angles
opening between intersecting lines or segments
like a corner of a square
angle with opening less than right angle
angle with oppening greater than right angle
angle open to form a straight line
flat surface that extends without end
a closed figure, all straight lines, and no intersecting lines
A point where two or more straight lines meet.
sideslines segments on a polygon
a four-sided polygon
having the same size and shape
having the same or similar characteristics
numbers which always have the same value regardless of who measures them
refers to numbers ending with one or more zeros
is the amount of time between two points in time
a triangle with 3 acute angles
a triangle that contains an obtuse interior angle
a triangle with one right angle
a triangle with three congruent sides
a triangle that has at least 2 congruent sides
a triangle with no congruent sides
A whole number and a fraction together.
a unit for measuring angles
an instrument for drawing/measuring angles
Denominators that are the same
international system of units
A REVISED VERSION OF THE METRIC SYSTEM
the basic unitof length in the metricsystemis a meter
U.S. Customary System
Units in the U.S.Customary System are not related by the number 10