Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
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Ones and Tens Place Value
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
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Ways to Make 9 and 10
Word problems are great skill builders! Here are 6 basic word problems intended to boost addition skills. Leaners work through each problem and discover various ways to make 9 and 10.
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Addition up to 10
In this addition worksheet, 1st graders add numbers to ten, completing problems as fast as possible, 20 total. An answer key is included on page 2.
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Addition to 10, Sheet 2
in this addition to 10 worksheet, students complete a set of 16 problems, adding numbers to 10. A reference web site is given for additional activities.