+7:
-12:
+28:
-31:
Factor of 12?
Factor of 30?
Factor of 360?
Factor of 1000?
Double:
Half:
Quarter:
¾:
Multiple of 2?
Multiple of 5?
Multiple of 3?
Multiple of 7?
x100:
÷100:
x1000:
÷1000:
x10:
x5:
x20:
x35:
10%:
1%:
23%:
61%:
Odd?
Prime?
Square?
Cube?