Exercises and articles about basic 3D solids – cube, cuboid, sphere, cylinder, cone, pyramid, and prism.
Learn hundreds, tens and ones. Compare, order and round 3-digit numbers.
Learn to add and subtract 3-digit numbers — both mentally and in columns. Includes word problems.
Learn all multiplication facts from 1 to 10. Quick fact drill, missing-factor problems, and word problems.
Reading clocks to the minute, computing elapsed time, converting hours and minutes, days of the week and months of the year.
Convert units of length, weight, and volume — millimeters, centimeters, meters, grams and kilograms, milliliters and liters. Read a ruler and compare mixed units.
Classify polygons by sides, find right angles, identify lines of symmetry, and compute perimeters of squares, rectangles and triangles.
Word problems with numbers to 1000 — addition, subtraction, multiplication, division and multi-step problems.
Working with money in Grade 3 — counting larger amounts, making change, coin combinations, word problems and decimal amounts.