5th Grade Math Worksheets Try our 5th grade math worksheets to practice operations on whole numbers, decimals, and fractions, graph on coordinate planes and more. ... Chanting the mantra 1 hour = 3,600 s, and a minute = 60 s will ensure 5th grade kids a hassle-free ride through these printable math worksheets. Multiply and add to express the time in seconds. Counting Coins and Bills. A …