Adding One Digit Numbers Worksheet
This adding one digit numbers worksheet gives 1st graders eight column addition facts and a jump-rope word problem to solve. An answer key is included, so checking a whole class takes seconds.
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About this resource
Description
Adding one-digit numbers is the first real addition skill a first grader owns. Once a child can put two single-digit numbers together and find the sum, everything that comes later — adding within 100, regrouping, even multiplication — has something solid to stand on. This adding one digit numbers worksheet gives first graders eight column-form facts to solve plus a story problem to model, so they practice the quick recall of the fact and the thinking behind it. The facts on this page were chosen on purpose: several have sums under ten, one is a doubles fact, and the rest cross ten, so students have to make a ten to finish.
Print this 1st grade addition worksheet and use it as morning work, a math-center task, homework, or a quick check after a mini-lesson. Students start at the top with eight boxed problems and write each sum in the open space below the equation bar, which keeps the ones digits lined up in a single column. At the bottom, a short word problem about a girl jumping rope at recess asks them to fill in a number sentence — first number, second number, total — so they see that a story and an equation are the same idea in two forms. Most first graders finish the page in about ten minutes.
What’s Included
- 1 print-ready PDF worksheet
- Answer key
- 8 column-form addition problems and 1 word problem with a number sentence
Three things make this adding one digit numbers worksheet worth the paper. First, the column format seats every digit in its own place-value column, so the habit that makes two-digit and three-digit addition work is built from the very first fact. Second, every sum on the page is different, which means a child cannot pattern-match an answer and has to actually add. Third, the word problem asks for the whole number sentence and not just the total, so children practice turning what they read into math — the exact move that state assessments ask for in later grades.
Teachers and parents can stretch this skill well past the page. Roll two dice and race to say the sum out loud. Build the facts with counters, buttons, or dry beans, pushing two groups together and counting on from the larger number. Play a card game where each player flips two cards and the higher sum wins the round. Write the date on the whiteboard as an addition sentence. Ask your child to invent a jump-rope story of their own and then write the number sentence that matches it. Short, cheerful practice a few minutes at a time beats one long session at the table.
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