numbersOnline version maths with numbers by Blanca Altamirano Cobos 1 fifteen plus five a eighteen b twelve c twenty d eight 2 twenty minus three a fourteen b fifteen c sixteen d seventeen 3 eight plus two a three b ten c nine d seven 4 four minus three a one b eleven c three d two 5 fifteen minus seven a eight b two c twelve d twenty 6 sixteen plus three a eighteen b nineteen c sixteen d twenty 7 nineteen minus one a fourteen b fifteen c eighteen d twenty 8 nineteen minus eight a eleven b twenty c eighteen d seventeen 9 twelve plus eight a fourteen b eleven c twelve d twenty 10 eleven plus three a fourteen b twelve c eighteen d seventeen