1. On the front flaps… X

2. + Addition Plus Total Gain More than Sum/add Additional Extra
Increased by
And (sometimes)

3. Example
The sum of nine and twelve 9+12

4. -Subtraction Minus Loss Less (than) Fewer (than) Decreased by
Difference
Reduce
Take away
Between

5. Example
Four less than 7 7-4

6. X Multiplication Times Per For each Twice Triple Multiplied by
Product of of

7. Example
The product of two and six 2 x 6

8. Division Divided by Quotient Out of Half A third A fourth
Per (sometimes)

9. Example
The quotient of eighteen and three 18/3 or 18 3

10. In the 1st column on the BACK…=

11. In the 2nd column on the BACK…
equals

12. In the 3nd column on the BACK…Is
Was
Is equal to
The same as
Gives/yields

13. In the 4th column on the BACK…
Ten times ten is
10 x 10 =