Ateacher has a bag of 100 unit cubes. she gives a equal number of cubes to each of the 7 groups in her class. she gives each groups as many cubes as she can. how many unit cubes are left over?

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Hundred and tens tables to make 430 in five different ways

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?