Curated OER
Adding 3 Numbers
In this addition practice worksheet, 3rd graders will find the sum of 3 two-digit numbers. There are a total of 16 problems. There are pictures of bugs at the bottom.
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Part-Part-Whole
In this mathematics worksheet, students identify a whole number as a combination of two smaller parts. They use counters to help them add various combinations of numbers.
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Missing Numbers: Perceptual Level #1
In this number order worksheet, students add the missing numbers by starting at the face each time. Students' objective is to recall numbers counting forwards and backwards.
Curated OER
Whole Number Addition Level 10
In this math worksheet, students practice adding numbers with three digits. The skill of carrying is practiced and the instructions are given at the top of the page.
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Subtracting Greater Numbers
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
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Equivalent Numbers
Pupils work together matching numbers on index cards. They must match numbers in different forms, such a fractions and percentages. They compete with other groups in the class to get the most correct.
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Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this worksheet. Students apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
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Mentally Add Larger Numbers
In this addition worksheet, students solve problems in their heads. In this problem solving worksheet, students write answers to twenty problems.
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Recognizing Exact Numbers or Estimates
In this estimation worksheet, students read a word problem about the Lincoln Memorial and then answer 4 fill in the blank questions where they decide whether they need to use an exact number or an estimate to answer each question.
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Add One-Digit Numbers
In this one-digit vertical addition worksheet, students add pairs of numbers to find the sums to seventeen. Students solve 12 problems.
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Arrange and Add
In this addition of numbers with decimals activity, students rearrange the numbers vertically with proper place value placement and add. Students solve six problems.
Curated OER
Unit 15 Negative Numbers
In this negative numbers worksheet, middle schoolers add and subtract positive and negative numbers. They find the terms in a sequence, complete multiplication numbers, and find the missing numbers in given multiplication...
Curated OER
Two-Digit Addition and Subtraction No Regrouping (A)
In this addition and subtraction worksheet, students find the sums and differences by adding and subtracting two-digit numbers with no regrouping. Students solve 36 problems.
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Two-Digit Addition and Subtraction No Regrouping (B)
In this adding and subtracting two-digit numbers worksheet, students find the sums and differences with no regrouping. Students solve 36 problems.
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Two-Digit Addition and Subtraction (B)
In this adding and subtracting two-digit numbers worksheet, learners find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Calculator Activity: Add Up and Up
In this adding on, or adding up, worksheet, learners use calculators to find the sums of one-digit numbers. Students solve five problems.
Noyce Foundation
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Fractions of A Pizza
Students view a large illustration of a pizza with parts of velcro. In this addition and subtraction of fractions lesson, students solve problems based on the pieces missing from the pizza. Students take a fraction quiz. Order a...
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Adding Animals
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
CK-12 Foundation
Addition of Integers: Polka Dots
What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...
McGraw Hill
Adding and Subtracting Radicals
Help remove some of the confusion surrounding the addition and subtraction of radical numbers with this set skills practice problems. Taken straight from the pages of a math text book, this resource provides learners with...
Curated OER
Fractions in Action
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
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