Worksheet
Curated OER

Missing Addends 2-5 Worksheet #2

For Students 1st - 2nd
In this missing addends worksheet, students fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.
Worksheet
Curated OER

Equations by 1 through 10

For Students 2nd - 3rd
For this missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.
Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...
Worksheet
Curated OER

Add and Subtract Two-Digit Numbers

For Students 2nd
Learners complete two double-digit problems, one addition and the other subtraction. They also determine the missing addend in two additional problems. An explanation as to how to solve both problems is included. 
Worksheet
Curated OER

Multiplication to 5 x 5 Sheet 3

For Students 3rd - 5th Standards
In this multiplication worksheet, students fill in the missing addends to complete the multiplication problems up to 5 x 5. Students complete 40 problems.
Worksheet
Math Salamanders Ltd.

Division Related Facts 10s and 100s Sheet 2

For Students 4th - 6th Standards
In this division learning exercise, learners fill in the missing addends that are multiples of either 10s or 100s to the problems. Students complete 40 problems.
Worksheet
Curated OER

Addition Exercises

For Students 2nd
For this addition worksheet, 2nd graders fill in the missing addend to the addition problems to make both sides of the equal sign equal. Students complete 7 problems.
Worksheet
Curated OER

Missing Numbers Addition [C]

For Students 2nd - 3rd
In this addition learning exercise, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
Worksheet
Curated OER

Two Digit Addition Worksheet #3: Find the Missing Number

For Students 2nd - 3rd
In this addition worksheet, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
Worksheet
Curated OER

Finding Missing Sums and Addends

For Students 3rd - 4th
In this sums/addends activity, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
Worksheet
Curated OER

Adding Two Numbers

For Students 3rd - 4th
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Worksheet
DK Publishing

Mentally Adding and Subtracting

For Students 1st - 2nd Standards
If you're looking for basic practice problems for youngsters learning addition and subtraction skills, look no further! Scholars solve 30 equations by filling in a missing addend, subtrahend, or minuend in these horizontally-aligned...
Lesson Plan
Curated OER

The Missing Monkey Mystery

For Teachers 2nd
Second graders explore number values by completing number sentences. For this math functions lesson, 2nd graders identify whole numbers by using a visual aide and practice filling in the blank in number sentences. Students utilize their...
Worksheet
Curated OER

Same and Different

For Students 1st - 2nd
For this mathematics worksheet, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by writing a...
Organizer
Curriculum Corner

Second Grade Summer Math Practice Book

For Students 1st - 3rd Standards
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Lesson Plan
Curated OER

Addends with Spiffy

For Teachers 2nd - 3rd
Students solve single variable equations. In this missing addend instructional activity, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
Worksheet
Curated OER

Addition: Missing Numbers with 3 Addends

For Students 1st - 2nd
In this 3 addend addition practice worksheet, students use their problem solving skills to solve 20 problems that require them to fill in the missing numbers in the problems.
Worksheet
Curated OER

Mystery Boxes

For Students 1st - 3rd
In this math worksheet, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Assessment
Concord Consortium

The Trouble with Tables

For Students 2nd - 5th Standards
Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.
Worksheet
Curated OER

How Many More Do You Need

For Students 1st - 2nd
In this missing addends worksheet, students draw additional train cars to the existing picture to complete each addition sentence with a missing addend. Students also fill in the missing number.
Worksheet
Curated OER

Missing Numbers Addition (A)

For Students 1st - 2nd
In this math worksheet, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.
Worksheet
Curated OER

Missing Addends

For Students 1st - 2nd
For this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
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.
Worksheet
Curated OER

Mixed Review

For Students 1st - 2nd
For this math worksheet, students solve the problems using the operation of addition to fill in the missing addends. They also apply some basic knowledge of geometry to solve the second set of questions.