Vocabulary
numeral -
numeral - a symbol or a name for a number
addition
- the process of adding two or more numbers together
23>21 What is does this say?
23 is greater than 21
Round 55 to the nearest ten .
(60)
What is 5 doubled
10
digit
digit - a single symbol used to make numerals; the digits are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
subtract
subtract - to take one quantity away from another, to find the difference between quantities
How many hundreds are in one thousand?
10
Round 1847 to the nearest 100
(1800)
What is 200 doubled
400
place value
place value - the value of a digit depending on its place in a number
difference
difference - the result, or answer, when subtracting one number from another; how much one number differs from another
How many ones are in one thousand?
1000
Round 8,654 to the nearest 1,000.
(9,000)
What is 15 doubled
30
benchmark number
benchmark number - multiples of the place we are rounding to
sum
sum - the result, or answer, when adding two or more numbers
what digit is in the ten thousands place in the number
436,508.
3
Round 8,654 to the nearest 1000
What would be the midpoint number?
(9,000)
What is 37 doubled
74
parenthesis
means to do this first the symbol is ()
addend
the numbers to be added together
How many tens does it take to make 1230
123
Round 699 to the nearest 10
700
What is 68 doubled
136