Students will
Learning objectives
- Add two single-digit numbers with sums up to 18.
- Count on from the larger number using a number line.
- Find the sums of doubles up to 9 + 9.
- Count two groups of pictures and write the total.
Single-Digit Addition Worksheet
Students add two single-digit numbers, with sums to 18, by counting pictures, using doubles and counting on along a 0 to 18 number line.
Format
- Colour PDFThe full-colour resource, ready to print or projectAvailable
- PrintablePrinter-friendly, uses less inkAvailable
- Fillable PDFStudents type answers right into the fileAvailable
- Google ClassroomAssign and share digitallyComing soon
Only the colour PDF is ready for this resource so far. The other formats are on the way.
At a glance
- Grades
- 1–2
- Pages
- 3
- Type
- Worksheet
- Includes
- Answer key
Last updated
Page 1 of 3
Adding two single-digit numbers
Children add pairs of one-digit numbers, with a number line from 0 to 18 across the top of page 1 to start at the bigger number and hop forward. Picture problems and a row of doubles, such as 6 + 6 and 9 + 9, come first. Ten of the 15 facts on page 2 cross 10, like 9 + 4 and 8 + 6, which is where counting on gets slow and making ten helps. The key ends with one worked example of each strategy.
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From the creator
Teaching tips
1
For 2 + 9, a student who counts on from 2 makes nine hops. Point to the number line direction: start at 9 instead and hop just twice.
2
For facts like 9 + 4, use the key's make-ten move: take 1 from the 4 to turn the 9 into a ten, so 9 + 4 is the same as 10 + 3.
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Skills covered
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Differentiation
Meet every learner.
Ways to adjust the picture problems and facts for different students.
Support
Count and hop
- Do the three picture problems with real counters before students write the total.
- Have students put a finger on the number line and hop for every page 2 fact.
- Start page 2 with the five facts that stay under 10, such as 7 + 2 and 6 + 3.
On level
Teach as written
- Both pages, picture problems first.
- Students circle the page 2 facts they solved by making ten.
Extension
Beyond doubles
- Use each doubles answer to solve a near double, like 6 + 7 from 6 + 6.
- Write three other pairs of single-digit numbers that make 13.
Curriculum alignment.
Each one is checked against the official document. Where the resource covers only part of a standard, the note says so.
Ontario Mathematics (2020) · Grade 1
B2.3Mental math to 20
Students add pairs of single-digit numbers with sums up to 18, using counting on along a number line and doubles. Subtraction, estimation and explaining their strategy are not covered.
B2.4Add using pictures and equations
Students count two groups of pictures and write how many in all, then write sums for number sentences. Only addition is covered, with totals well under 50.
Good to know.
How is it different from the Math Addition Worksheet?
Every problem here adds two single-digit numbers. The Math Addition Worksheet starts with facts to 20 and moves on to two-digit sums with regrouping.
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