Place Value
What is the value of the 3 in
439
30
Round to the nearest tens place.
38
40
17+51=
68
What does it mean to estimate something?
It is when you make a smart guess of how much there is of something
What is the place value of the 5 in 5,046
thousands place
Round to the nearest tens place:
65
70
29-16=
13
What is a Sum?
The answer to an addition problem
Write the following in Expanded form:
3,208
3,000+200+8
Round to the nearest tens place:
451
450
37+25=
62
What is a Difference?
The answer to a subtraction problem
Write the following number in standard form:
900+20+7
927
Round to the nearest hundreds place:
385
400
346+115
461
What is the expanded form of a number?
When you stretch the number out into its values
Write the following number in Written Form:
1,049
one thousand forty nine
Round to the nearest hundreds place 539
500
472-128=
364
What are the 4 operations?
add, subtract, multiply, divide