Grades 1–2
Missing Addends
Twenty-four facts with a blank in the middle: 7 + ___ = 12. Count on or subtract to find the missing part.
Math worksheet · Addition and subtraction practice
Doubles and Doubles Plus One
Ten doubles facts (6 + 6) and ten near-doubles (6 + 7), with the doubles pictured so kids see the trick.
- Grade level
- Grades 1–2
- Time
- About 15 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Addition and subtraction facts, Regrouping, Mental math strategies, Checking with the inverse
What kids do
“Learn the doubles. Then add one more for the doubles-plus-one facts!”
Printed on the sheet:
- Doubles plus one
Sample problems
- 2+2 =
- 7+8 =
- 9+9 =
- 5+5 =
Teacher tip
Say the doubles as a rhyme first. Once kids know 6 + 6, they can find 6 + 7 in one step.
How to use it
- Warm up with two minutes of facts out loud before kids start.
- Ask kids to circle the problems they are sure of first, then go back to the tricky ones.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Subtracting the smaller digit from the bigger one in each column (54 − 27 = 33). Ask kids to say “Can I take 7 from 4?” before they write.
Talk about it
- Which strategy did you use: counting on, making ten or a doubles fact?
- Which problem was the hardest? What made it hard?
Take it further
Turn three problems into story problems and illustrate one of them.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More addition and subtraction practice worksheets
Grades 1–2
Number Line Hops
Eight problems within 20, each with a number line. Kids draw the hops and land on the answer.
Grades 1–2
Fact Families: Add and Subtract
Six fact triangles. Kids write the two addition and two subtraction facts in each family.
Grades 2–3
Adding Three Numbers
Fifteen stacked problems that add three two-digit numbers. Look for tens that pair up.
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