standard_description: Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.
problem_activity: Solve. Show or explain your work.
a.   92.8 ÷ 32
b.   18.72 ÷ 48


aligns: no