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Interactive
Curated OER

Missing Number Addition

For Students 1st - 3rd
In this addition learning exercise, students 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.
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Worksheet
Curated OER

Missing Addend (2 through 5)

For Students 1st - 2nd
In this conceptual addition instructional activity, students improve their adding skills. Students write a numerical addition problem based on the picture provided. There are sixteen in all.
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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.
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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.
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Worksheet
EdHelper

Addition: Missing Numbers

For Students 1st - 3rd
For this addition worksheet, students look at pictures of blocks and their numerical values, then find the missing addend. Worksheet is labeled "sample" and is part of a subscription site with links.
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Worksheet
EdHelper

Addition: Missing Number Fill In

For Students 1st - 2nd
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
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Worksheet
Curated OER

Missing Addend - 2 Through 5 (Shapes)

For Students 1st - 2nd
In this numbers activity, students count the different colored square boxes underneath each green box square involving the addition of 16 equations. Students add each pair of green boxes to total the number that they both stem from in...
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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...
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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...
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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...
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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...
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Worksheet
Curated OER

Missing Items

For Teachers 1st
In this math instructional activity, 1st graders solve the problems that use addition and the pictures of dice to figure out the missing addend to complete the number sentence.
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Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
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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.
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Worksheet
Helping with Math

Addition: Number Bonds to 20

For Students 1st - 3rd Standards
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.
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Worksheet
Curated OER

Adding and Subtracting from 10

For Students 1st - 2nd
Here is a nicely designed learning exercise on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do...
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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...
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Printables
Curriculum Corner

St. Patrick's Day Themed Math and Literacy Practice

For Students K - 1st Standards
Look no further for St. Patrick's Day-themed math and literacy practice worksheets. Math skills allow for practicing counting to 100 by 5s, 10s, and 1s, as well as 10 more or 10 less, writing numbers in word and standard form,...
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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.
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Worksheet
Curated OER

Adding it Up!

For Students K - 1st Standards
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
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Worksheet
Curated OER

Tens and Ones

For Students K - 2nd
Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...
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Worksheet
Curated OER

Express The Length Whole Word Problems

For Students 1st - 2nd
Children in grades 1-3 will work to solve eight word problems involving length and whole numbers. They add, subtract, and problem solve to match the questions on the left to the answers on the right. Note: These problems are very poorly...
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Worksheet
Curated OER

Commutative Property of Addition

For Students 1st - 3rd
Here are 10 simple addition problems intended to provide practice for those learning the commutative property of addition. Each question asks learners to fill in the missing addend that makes each equation true. An answer key is provided.
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Worksheet
Curated OER

Basic Addition Practice: Missing Items

For Students 1st - 2nd
For this addition worksheet, 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...

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