addition + and subtraction -
multiplication x · and division :
fractions 1/2
100

12 + 8 =

twelve plus eight equals twenty

100

3 x 4 =

three times 4 equals twelve 

100

how do you say 1/2 in English?

One half / A half 

200

15 - 7 =

fifteen minus seven equals eight 
200

20 : 4 =

twenty divided by four equals five 

200

how do you say 1/4 in English

One quarter / One fourth

300

50 + 18 = 68

fifty plus eighteen equals sixty-eight

300

25 x 4 = 

twenty-five times four equals a hundred 

300

What is 1/2 of 10?

One half of ten is five 

400

75 + 43 = 

seventy-five plus forty-three equals a hundred and eighteen

400

200 : 40 =

two hundred divided by forty equals 5

400

what equals this operation? 

2/4 · 4/8

two quarters times four eights equals a quarter 

500

125 + 48 - 56

a hundred and twenty-five plus forty eight minus fifty six equals a hundred and seventeen 

500

82 · 4 : 8 =

eighty-two times four divided by eight equals forty- one 

500

3/8 : 6/8 =

three eights divided by six eights equals to one half