This site has hundreds of basic multiplication activities. Printables include multiplication games, quizzes, word problem worksheets, cut-and-glue activities, flashcards, math mystery pictures, and much, much more.
Decimal Addition & Subtraction. Find sums and differences for pairs of decimals on these worksheets. These practice pages have decimals in tenths, hundredths, and thousandths.
4 and 5-Digit Addition. This page has resources for teaching addition with 4 and 5-digit numbers. Includes column addition exercises, an addition crossword, and word problems. (Approx. level: 3rd grade, 4th grade, 5th grade).
Worksheets for telling time in hours, half hours, to the nearest five minutes, and nearest minute. Also includes telling time quarter hours, and elapsed time.