Worksheet
Curated OER

Four-Digit Addition without Regrouping

For Students 2nd - 3rd
In this 4 digit addition worksheet, students solve the 15 four digit addition equations by finding the missing numbers in the equations.
Lesson Plan
Curated OER

Math Lesson Study Plan

For Teachers 2nd
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Worksheet
Curated OER

Complete Number Sentences

For Students 3rd - 4th
In this addition activity, students solve 14 problems in which the missing addend in an addition problem is filled in. All problems will have a sum of 100.
Lesson Plan
Curated OER

Math Puzzle Worksheet: Box Addition Version 4

For Teachers 3rd - 5th
In this math puzzle worksheet, students fill in missing numbers in boxes to complete a puzzle; totals are given for rows and columns, missing numbers are part of the correct totals.
Worksheet
Curated OER

Value of X

For Students 3rd - 4th
In this missing addend worksheet, students find the value of x that represents a number in addition problems. Students complete 10 problems total.
Worksheet
Curated OER

Place Value: Numbers to 9,999

For Students 4th - 6th
In this place value practice worksheet, students fill in the missing numbers in the 6 place value sequences. In addition, students write 4 expanded form numbers as standard form numbers and write 4 more numbers using words.
Worksheet
Curated OER

Tens and Ones 2

For Students 1st - 2nd
In this tens and ones math practice worksheet, students use their problem solving skills to fill in the missing numbers in 30 problems.
Worksheet
Curated OER

Tens and Ones

For Students 1st - 2nd
In this tens and ones math practice learning exercise, students use their problem solving skills to fill in the missing numbers in 30 problems.
Lesson Plan
Curated OER

Follow That Sign! A Review in Using Appropriate Mathematical Symbols

For Teachers 1st Standards
Kids gain a deeper understanding of mathematical symbols, by playing an interactive game using flash cards. They complete an attached Missing Symbols Worksheet, flash card and an assessment are also included.
Lesson Plan
BBC

Simple Addition and Subtraction

For Teachers K - 1st
Here is a wonderful lesson plan designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
Worksheet
Curated OER

Identify Patterns

For Students 3rd - 4th
To complete these number patterns mathematicians must determine by what number each is constantly increasing. However, this isn't your typical skip counting; scholars count by numbers like 18, 60, and even 101 to fill in the missing...
Lesson Plan
EngageNY

Read Expressions in Which Letters Stand for Numbers

For Teachers 6th Standards
Pencil in the resource on writing verbal phrases into your lesson plans. The 15th installment of a 36-part module has scholars write verbal phases for algebraic expressions. They complete a set of problems to solidify this skill.
Lesson Plan
Virginia Department of Education

A Mystery to Solve

For Teachers 8th - 10th Standards
Investigate field properties of real numbers. Scholars use a table for a given operation to determine the identity element. They use the same table to find a missing value in an equation.
Worksheet
Curated OER

Introduction: Picture Addition

For Students 1st - 4th
In this addition worksheet, students learn how to do basic addition of numbers below 10 using pictures. First, students read through 6 practice problems in which the answers are included. Then, they solve 3 on their own.
Worksheet
Curated OER

Two-Digit Addition, No Regrouping/Carry-on - Missing Digits

For Students 2nd
For this addition worksheet, 2nd graders find the missing digits in 20 two digit problems that do not require regrouping. They insert the digits in this timed worksheet.
Worksheet
Curated OER

At The Edge of Whole Thousands

For Students 2nd - 3rd
In this whole thousands instructional activity, students determine how much is missing from a "thousand block" and write an addition sentence, then complete addition sentences by filling in missing numbers.
Interactive
Curated OER

Missing Number Addition

For Students 1st - 3rd
In this addition worksheet, learners are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.
Worksheet
Curated OER

Missing Number Addition

For Students 1st - 2nd
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
Worksheet
Curated OER

Booster (pg.10)

For Students 1st - 2nd
In this addition and subtraction worksheet, students work out and answer 2 word problems, answer 2 short answer problems and fill in the missing 4 digits in one addition and one subtraction problem.
Worksheet
Curated OER

Math Puzzle Worksheet: Box Addition Version 2

For Students 3rd - 5th
In this math puzzle worksheet, students fill in missing numbers to help arrive at the correct addition totals that are given in columns and rows.
Worksheet
Curated OER

Missing Digit Operations (K)

For Students 3rd - 4th
In this missing digit worksheet, students fill in two missing digits in each of 30 problems. They fill in the numbers in two and three digit addition, subtraction, multiplication, and division problems.
Worksheet
Math Salamanders Ltd.

Addition—Up to 12 Sheet 5

For Students 1st - 3rd Standards
In this addition activity, students complete 24 problems, filling in missing numbers, either addends or sums. A reference website is provided for additional activities.
Worksheet
Curated OER

Patterns Based On Addition

For Students 3rd
For this on-line math worksheet, 3rd graders complete 10 multiple choice questions where they find the missing number to a pattern by using addition. Students can check their answers at the end of the worksheet.
Worksheet
Curated OER

Missing Sums and Addends

For Students 3rd - 4th
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.