Curated OER
Yard Sale
In this addition and subtraction learning exercise, 2nd graders write out each of the 3 math problems described in transactions between two friends and the toys they bought from each other. Students answer 3 short answer math questions...
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Expressions With Addition and Subtraction
In this algebraic expressions worksheet, 4th graders study, analyze and evaluate 6 different expressions involving n-32, n=77 and the expression 575 + n for 2 values of n.
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Name For Numbers
In this same number facts worksheet, 2nd graders use either addition or subtraction to solve 8 math problems and then place the two math problems that match the numbers at the bottom of 4 trees on the lines provided.
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Online Math Problems and Estimation
In this online math problems learning exercise, students complete a variety of exercises including finding the missing numbers in eight math problems, two money and estimation calculations and estimating the difference in ten math...
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Fact Families
In this fact families worksheet, 2nd graders add and subtract 16 math problems associated with the fact families of 13, 14, 16 and 17.