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.
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.
Worksheet
Curated OER

Unknown Numbers in Sums and Differences - Step-by-Step Lesson

For Students 1st
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
Worksheet
Curated OER

Addition - What Are the Missing Numbers?

For Students 3rd - 4th
For this addition worksheet, students determine what the missing numbers are in 8 two digit addition problems; either finding the sum or an addend. They estimate and calculate each answer in 4 three and four digit addition problems.
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...
Worksheet
DK Publishing

Fishing for 10

For Students K - 1st Standards
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...
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...
Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Worksheet
Curated OER

Choose a Path

For Students 2nd - 4th
In this addition worksheet, students utilize data from a map to answer 6 fill in the blank questions where they provide the missing addends to addition problems.
Worksheet
Curated OER

Missing Items

For Teachers 1st
In this math worksheet, 1st graders solve the problems that use addition and the pictures of dice to figure out the missing addend to complete the number sentence.
Lesson Plan
Curated OER

The Missing Monkey Mystery

For Teachers 2nd
Second graders explore number values by completing number sentences. In 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

Mystery Boxes

For Students 1st - 3rd
In this math learning exercise, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Worksheet
Curated OER

Addition: 0 to 5 With a Number Line

For Students K - 1st
In this addition facts worksheet, learners solve 12 problems in which numbers from 0 to 5 are added. There is a number line at the top of the page for students to use.
Worksheet
Curated OER

Number Line Addition

For Students 2nd
In this addition activity, 2nd graders add single digit numbers. Students complete 12 horizontal problems using the number line provided at the top of the page.
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.
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

Missing Numbers in Two Digit Addition Worksheet #9

For Students 1st - 3rd
In this addition worksheet, students solve 20 problems in which missing numbers in two digit addition problems are filled in. There is no regrouping on the page.
Worksheet
Curated OER

2 Digit Addition Worksheet (No Regrouping) #4

For Students 1st - 2nd
In this addition instructional activity, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
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

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.
Worksheet
Curated OER

Smart Archer

For Students 3rd - 5th
In this addition worksheet, 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...
Worksheet
Curated OER

Basic Addition Practice: Missing Items

For Students 1st - 2nd
In this addition activity, students complete "picture" math sentences, then complete the number problem. Students view a card with a number of dots on it and a problem with a missing addend. Students draw the number of dots necessary to...
Worksheet
Curated OER

Adding Zero

For Students 1st
In this addition activity, 1st graders focus on addition with the number zero. Students complete 4 horizontal addition problems counting the number of objects shown and adding the amount to zero before writing the total on the line...
Worksheet
Curated OER

Adding Ten

For Students 1st - 2nd
For this addition worksheet, students solve 12 problems in which the number 10 is added to a single digit. The page has animal photographs.