to put together two or more numbers to find out how … put together two or more numbers to find out...
TRANSCRIPT
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add/addition to put together two or more
numbers to find out how many there are all together
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addend a number that is added in an
addition problem
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array objects that are arranged in rows and columns; helps with
solving multiplication problems
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Associative property
tells us that it doesn’t matter how numbers are grouped when they are added or
multiplied
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Commutative property
tells us that you can switch the numbers around and still get the same answer when
you add or multiply
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counting on a mental math strategy for an addition problem where you start with the highest
number and then “count up” the value of the lower
number
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difference the answer to a subtraction
problem
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Distributive property
tells us that multiplying a number by a group of
numbers added together is the same as doing each
multiplication separately
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divide/division to split a number into equal
parts or groups (÷)
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dividend the number in a division
problem that you want to divide into groups
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divisor the number in a division
problem that you are dividing by
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equal having the same value (=)
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equation a number sentence that
shows two things are equal
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estimate/ estimation
to be able to quickly figure out an answer that is close to
the real answer
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even any whole number that can be divided into two equal
groups; they end in 0,2,4,6 or 8
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fact family addition and subtraction facts that are related and have the same three numbers in them (can also be multiplication
and division facts)
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factor one of the numbers that you
are multiplying in a multiplication problem
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make a ten a mental math strategy for an addition problem where
thinking in groups of ten helps the process of addition
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math operation a process carried out on
numbers; the most common are addition, subtraction,
multiplication and division
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math strategy a plan or way to solve a
problem
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mental math math work that is done in
one’s head without the use of pencil and paper or other
tools
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multiply/ multiplication
repeated addition (x)
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number line a line marked with numbers
used as a tool to add, subtract or compare values
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number pattern a sequence of numbers that
follow a rule
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number sentence any equation that shows operations with numbers
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odd any whole number that can’t
be divided into two equal groups; they end in 1,3,5,7 or 9
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product the answer to a multiplication
problem
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quotient the answer to a division
problem
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subtract/ subtraction
to take away one number from another to find out how
many are left (-)
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sum the answer to an addition
problem
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symbol a mark or picture that stands
for a math idea
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whole number a number with no fractional
part