Grade 3 addition in Ontario is about whole-number sums up to 1000, expectation B2.5. This printable set lines up three-digit addends such as 107 + 102 and 707 + 150, then asks for a missing part in 35 + __ = 85. A measurement story adds a 124 m trail to a 166 m trail, so the same addition shows up outside a bare column. Students regroup when a column passes nine. The preview is the start of a longer free sheet you can print on Letter paper.
Ontario curriculum: Mathematics (2020) · Number B2.5 — add whole numbers that add up to no more than 1000
How large are the sums on this Grade 3 addition worksheet?
Ontario expectation B2.5 sets Grade 3 addition at whole-number sums up to 1000. The preview uses three-digit addends, including 403 + 925, so students line up hundreds, tens, and ones and regroup when they need to.
Are there Grade 3 addition word problems, or only columns?
Both. Most items are vertical or horizontal sums. One item adds two trail lengths, 124 m and 166 m, and another leaves the second addend blank in 35 + __ = 85.
Can I print this Grade 3 addition sheet without an account?
Yes. Print a free worksheet opens a Grade 3 addition set in QuizPrint. Preview it on screen or print a Letter page. The sample on this page does not mark a choice.
