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Worksheet
Curated OER

One digit addition problems

For Students 1st - 2nd
In this addition worksheet, students solve the one digit addition problems for the sums and missing addends. Students complete 10 multiple choice questions.
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Worksheet
Curated OER

Addition-Mixed Numbers

For Students 4th - 5th
In this addition of fractions worksheet, students complete 20 problems, supplying the missing addend in a mixed number problem.
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Worksheet
Curated OER

It All Adds Up Puzzle #3

For Students 4th - 5th
In this math puzzle learning exercise, students solve 10 addition problems by inserting the missing addends in an addition square. Students make the equations true by writing the correct number that will make the rows and columns add up...
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Worksheet
Curated OER

Addition: How Many Ways?

For Students 2nd
In this addition worksheet, 2nd graders study the various ways to add with different addends. Students are provided with 4 digits in which to write as many possible addition problems as can be made.
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Worksheet
Curated OER

Add Decimals Mentally (2)

For Students 4th - 6th
In this decimal addition learning exercise, students solve 5 problems that require them to use mental math to add decimals. Students also solve 5 problems that require them to fill in the blanks with missing decimal addends.
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Lesson Plan
Curated OER

The Value of a Number

For Teachers 2nd - 4th
Learners assess informal methods to solve real-world problems that utilize simple equations that involve one variable. They incorporate concrete objects to assist them in the solving of a variety of equations. The students are actively...
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Lesson Plan
Curated OER

Subtraction-There's Got to be An Easier Way!

For Teachers 3rd
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
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Lesson Plan
Curated OER

Study Buddies: Averages

For Teachers 2nd - 3rd
In this math worksheet, young scholars will work with a coach to find the average of three bowling scores. Students will follow a step-by-step process and notes are provided for the coach.
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Worksheet
Curated OER

Study Buddies: Working With Addition Properties

For Students 4th - 5th
In this math worksheet, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for the coach.
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Worksheet
Curated OER

Missing Subtraction Facts to 20

For Students 1st - 2nd
In this subtraction activity, students use the given numbers to complete and solve the horizontal subtraction equations. Students solve 20 problems.
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Worksheet
Curated OER

Counters in the Cup

For Students 1st - 2nd
In this beginning addition learning exercise, students solve 4 problems in which a missing addend is supplied to complete a basic sum.
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Worksheet
Curated OER

Addition With Shapes

For Students 1st - 2nd
In this addition with shapes worksheet, students write the missing addend and the sum in simple addition problems represented by sets of colored shapes.
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Worksheet
Curated OER

Addition Square #2

For Students 3rd - 4th
In this addition worksheet, students fill in the missing numbers to complete 5 addition squares. Students add across and down, filling in the addends.
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Worksheet
Curated OER

What's in the Gift?

For Students 2nd - 3rd
In this Christmas addition activity, students supply a missing "gift" addend to complete a set of problems. A website reference for additional resources and answers are provided.
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Worksheet
Curated OER

Addition Terminology and Practice

For Students 2nd - 3rd
For this addition worksheet, students review the terminology and definitions for the words addends and sum. Students then write the given numbers as sums in as many different ways as they can. Students also write addition sentences for...
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Worksheet
Curated OER

Smart Archer

For Students 3rd - 5th
In this addition activity, students solve 8 problems where they are given a target where the sections are labeled with a certain number of points. Students are given the number of arrows and the total number of points for each target. ...
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Worksheet
Curated OER

Addition Up to 12-Sheet 5

For Students 2nd - 3rd
In this addition worksheet, students complete a total of 24 problems, filling in missing numbers, either addends or sums. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

What's Missing?

For Teachers 9th - 10th
Students practice solving very basic number sentences and recording their answers on a worksheet. Individually, they use different manipulatives to represent the sentence they solved. They also explain what steps were taken to solve...
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Worksheet
Curated OER

Word Problems and Patterns 4

For Teachers 3rd
In this mathematics worksheet, 3rd graders solve the problems and write a missing addend sentence for each as needed. Then they subtract mentally and figure out the patterns for each and continue them on.
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Worksheet
Curated OER

Adding Three Small Numbers

For Students 2nd
In this number sentence worksheet, 2nd graders complete 5 problems where they fill in the missing 3rd addend after being given 2 addends and a sum. 
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Worksheet
Curated OER

Year 6 Booster pg. 6

For Students 3rd
In this mixed practice worksheet, 3rd graders give 3 addends to complete two equations and write the missing numbers in 7 equations.
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Lesson Plan
Curated OER

Food Pyramid Power

For Teachers K - 2nd
Students investigate patterns in the Food Pyramid.  In this patterns in the Food Pyramid lesson, students sort food into different food groups.  Students make patterns with food from different food groups.  Students discuss the number of...
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Worksheet
Curated OER

Adding Up to Ten

For Students 1st
In this addition worksheet, 1st graders write the missing numbers to make an equation that is equal to 10. They count the number of yellow caterpillars to determine the first addend, and count the number of pink caterpillars to determine...
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Lesson Plan
Curated OER

Understanding 10: Backwards and Forwards

For Teachers Pre-K - 2nd
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...