Grade 3 Ontario Worksheets
12 free printable sheets across 4 expectations, each written at up to three levels — Modified for reduced expectations, Standard for the expectation as written, and Challenge to extend beyond it — so one expectation covers the whole class. Every sheet includes a full answer key on the last page.
B1.1
3 worksheetsread, represent, compose, and decompose whole numbers up to and including 1000, using a variety of tools and strategies, and describe various ways they are used in everyday life

Hundreds, Tens and Ones
Build and break apart three-digit balances, and read a pictograph where one star stands for five points.

Read and Build a Pictograph
Turn three-digit point totals into a pictograph where one symbol stands for twenty-five points, with a title, key and labels.

A Scale That Fits the Data
Test three different keys against the same five classes, and justify the one that makes the graph readable.
B2.6
3 worksheetsrepresent multiplication of numbers up to 10 × 10 and division up to 100 ÷ 10, using a variety of tools and drawings, including arrays

Arrays for Every Job
Use rows and columns to work out a few days of job pay, and share a bonus out equally.

Job Arrays: Multiply Your Pay
Represent classroom job wages and bulk store purchases as multiplication arrays, up to 10 × 10.

Arrays Both Ways
Work back from a total to a missing rate, connect a multiplication to its matching division, and settle an argument about turning an array.
F1.1
3 worksheetsestimate and calculate the change required for various simple cash transactions involving whole-dollar amounts and amounts of less than one dollar

Change from a Loonie
Find change from $1 and from $5 for one item at a time, using friendly amounts.

Making Change at the Class Store
Estimate and calculate change for simple cash purchases with whole-dollar amounts and amounts under one dollar.

Change: Estimate and Check
Estimate change before working it out, catch a cashier's mistake, and work backwards from the change to a missing price.
B1.3
3 worksheetsround whole numbers to the nearest ten or hundred, in various contexts

Round to the Nearest Ten
Round balances to the nearest ten and the nearest hundred, one rule at a time.

Round It, Then Plan It
Round dollar amounts to the nearest ten or hundred, then use estimates to plan purchases and savings.

Round, Then Decide
Use rounding to make a decision, measure how far the estimate missed, and find the range a rounded balance could have come from.
Want the teaching ideas behind these sheets?
See how each Grade 3 expectation connects to your classroom economy, with activity ideas for every one.