Addition Strategy Worksheets

Printable Addition Strategy Worksheets for 1st Grade:
Add by Counting On
Counting On with Missing Addend
Adding Doubles (eg. 3 + 3)
Add using Addition Facts

Make 10 strategy, addend is 9 (eg. 9 + 6)
Make 10 strategy, addend is 8 (eg. 8 + 5)
Make 10 strategy, addend is 7,8,9

Add using single-digit addition facts Worksheets

How to use single-digit sums to support solutions for analogous sums?

1. Start with Simple Sums:
   Ensure the students have a solid grasp of single-digit addition. Practice these frequently using manipulatives (counters, blocks, etc.) or number lines.
2. Build on Known Facts:
   Present problems like 8 + 4, 18 + 4, and 28 + 4.
   Guide the students to notice the common element: 8 + 4 in each problem.
   Remind them of the answer to 8 + 4 (which should be well-known) and build upon it.
   
3. Break Down Larger Sums:
   Encourage the students to visualize larger sums as combinations of smaller, familiar sums.
   For example, 27 + 5 can be seen as 20 + 7 + 5.
   Break it down further: 7 + 5 = 12, then add the 20 to get 32.
   
4. Encourage Mental Strategies:
   As the students become more comfortable, encourage them to use mental strategies like:
   Counting on from the larger number (e.g., 27 + 5, count on 5 from 27).
   Using “make a ten” strategies (e.g., 27 + 5, take 3 from 5 to make 27 + 3 = 30, then add the remaining 2).

• Addition Strategy using known facts

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More Addition Strategy Worksheets

(These worksheets are printable files with answers on the second page.)
Addition Strategy Worksheet #1
Addition Strategy Worksheet #2
Addition Strategy Worksheet #3
Addition Strategy Worksheet #4 (sprint practice)
Addition Strategy Worksheet #5 (sprint practice)

Related Worksheets

Add using Addition Facts
Counting-On Lesson
Counting-On to find missing Addend Lesson

Addition within 10 (eg. 3 + 5)
Addition within 20 (eg. 6 + 8)

Mixed Single Digit Addition
Missing Addend (sums < 10) (eg. __ + 5 = 7)
Missing Addend Word Problems (eg. 8 + __ = 17)

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