Addition
7+9=
16
17-9=
8
5x7=
35
What is a sum?
The result of an addition
Can you swap minuend and subtrahend around without affecting the result?
No
17+8+13=
38
26-9-7=
10
6x8=
48
What do you call the result of a subtraction?
Difference
9x6x10=
540
28+82=
110
358-65=
293
7x7=
49
What is the inverse operation of subtraction?
Addition
67-8+123=
182
42+9+28+11=
90
621-31-95=
495
5x12=
60
What is a subtrahend?
The second number in a subtraction
Round the number 499 999 to the nearest Ten
500 000
14395+105=
14500
87363-7001=
80362
12x9=
108
What do you call the 7th place value
Million
12x12=
144