Grades 1–2
Number Line Hops
Eight problems within 20, each with a number line. Kids draw the hops and land on the answer.
Math worksheet · Addition and subtraction practice
Missing Addends
Twenty-four facts with a blank in the middle: 7 + ___ = 12. Count on or subtract to find the missing part.
- 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
“What number goes in the box to make the fact true? Count up from the first number!”
Teacher tip
Ask kids to count up from the first number on their fingers. The number of fingers is the missing addend.
How to use it
- Keep a number line or hundred chart taped to the desk for kids who need it.
- Use it as a timed sheet once a week and have kids chart their own score.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Columns that drift. Turn lined paper sideways or use graph paper to keep digits lined up.
Talk about it
- How can an addition fact help you solve a subtraction fact?
- Which problem was the hardest? What made it hard?
Take it further
Play a dice game: roll two dice, add or subtract, and race to a hundred.
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
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.
Grades K–1
Picture Subtraction: Cross Out
Eight rows of circles. Kids cross out the number taken away, count what is left and write the answer.
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