Say What?
Mental Math
50 + 50 + 10
110
Mental Math
60- 10 =
50
MENTAL MATH
98 + 499 =
597
How many tens
784
8
MENTAL MATH
400 divided into 5 groups
80
Mental Math
100 + 900 =
1000
Mental Math
Jack had a lemonade stand and made $55, the first day and $15 less on the next day. How much money did he make on the second day?
$40
345 + 134 =
479
What is the value of the digit in the tens positions after finding the product?
135 x 3 = ?
The product (answer)=405
Therefore the value of the tens position is 0.
Mental Math
54 divided into 6 groups
9
5 + 5 + 5 +5
20
562-100
462
MENTAL MATH
155 + 245 = ?
400
What is the value of 7 in the number, 378,211
70,000
Division is the inverse operation of?
Multiplication
Mental Math
865 + 10
875
649-349
300
MENTAL MATH
10 + ___ = 241
231
True or False? The place value represents the position that the digit is in a number but the value tells you how much the digit is worth.
True
Division is repeated addition.True or False
False
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
MENTAL MATH
37 + 63 =
100
What is the place value and value of the underlined digit.
6,204,809
Place Value- Hundred Thousands
Value: 200,000
140 divided by 10
14