Place Value
The first digit in a number is in what place value?
Ones
21+8
29
15-3=
12
Another term for rounding is
Estimate
The 2 numbers multiplied together are called...
factors
3 x 2
6
7 x 2
14
The bold digit is in what place value, 7,438.
hundreds
92+8
100
49-16
33
If it is 4 or less...
The answer of a multiplication equation is called the...
product
10 x 0
0
15 x 1
15
What place value is comes after ten thousands?
Hundred thousands
525+31
556
What do you need to do when you can not subtract a larger number from a smaller number?
Regroup or borrow
Five or more...
"raise the score"
The property tells us that the order of the factors does not change the product...
Communicative Property
7 x 5
35
6 x 0
0
The 4 is in what place value 426,302?
Hundred thousands
ones
197-42=
155
Round to the nearest ten...
731
730
When multiplying a number by 5 the product in the ones place will always end in...
0 or 5
11 x 2
22
9 x 9
81
Where does the comma need to go between in this number 8374192
8 and 3
4 and 1
362+683=
1045
6539-172
6367
Round to the nearest hundred...
497
500
The identity property of multiplication says...
Any number multiplied by 1 is that same number
9 x 3
27
6 x 9
54