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Curated OER
Shipping on the Hudson
Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...
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Subtraction with Butterfly Note Cards
Students are going to stations to solve a specific subtraction problem on a butterfly notecard. They are to record their station number, write down the problem, and show their work on their own sheet of paper. At the end of the station...
Curated OER
Rule It Out
Here's a way to create math fact flash cards! Learners create their own cards and sort them into matching categories. Learners start with addition and work their way up to harder math such as multiplication, and are asked to notice...
Illustrative Mathematics
What’s Missing?
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
Curated OER
Speed Trials: Final Test
How quickly can your third graders solve these 63 math problems? Ranging from addition, subtraction, multiplication, and division, you can use this resource to assess your students' mental math. Cut the activity into thirds to make the...
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Mixed Tables
Bring out the pegboards for this one! As you introduce multiplication, explain it as sets of objects using these visual practice problems. Learners look at eight pegboards with varying rows filled. For each, they fill in two sentences...
Illustrative Mathematics
Identifying Multiples
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
Curated OER
Subtracting Twos (B)
In this subtraction worksheet, students solve 21 problems in which the number 2 is subtracted from a single digit number. The problems are in horizontal format.
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Subtracting Ones (B)
In this subtraction review worksheet, students use problem solving skills to solve 21 problems that require them to subtract 1 from various 1 digit numbers.
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Fact Equivalents - Addition and Subtraction
In this addition and subtraction facts practice worksheet, students solve 15 problems that require them to solve an addition sentences in order to write subtraction sentences that are equivalents.
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Subtraction with Three Arguments
In this subtraction practice instructional activity, learners use their problem solving skills to solve 40 problems that have 3 arguments each.
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Subtraction with Three Arguments 2
In this subtraction practice worksheet, students use their problem solving skills to solve 40 problems that have 3 arguments each.
Curated OER
Fact Equivalents - Addition
In this addition and subtraction facts practice worksheet, students solve 15 problems that require them to solve an addition sentences in order to write subtraction sentences that are equivalents.
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Two-Digit Addition and Subtraction (R)
In this addition and subtraction practice instructional activity, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
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Two-Digit Addition and Subtraction (Q)
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Curated OER
Fun Math Worksheet
In this subtraction worksheet, learners improve their subtraction skills by completing the large number subtraction problems. Students solve 15 problems.
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Mental Math
Students participate in an online computation game. In this computation activity, students practice simple computations and use an internet site to review addition and subtraction facts.
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Fun Math Worksheet - Three and Four Digit Subtraction
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract either three or four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with...
Curated OER
Fun Math Worksheet - Three and Four Digit Subtraction
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract either three or four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated...
Curated OER
Fun Math Worksheet - Three and Four Digit Subtraction
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract either three or four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with...
Curated OER
Fun Math Worksheet - Three and Four Digit Subtraction
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract either three or four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with...
Curated OER
Fun Math Worksheet: Multiple Digit Subtraction
In this subtraction practice instructional activity, learners solve 15 problems that require them to subtract 2 or 3-digit numbers from 3-digit numbers.
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Model Subtraction
In this subtraction practice worksheet, students sharpen their problem solving skills as they solve 6 story problems using the provided table.