Curated OER
Missing Number Addition
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
Curated OER
Commutative Property of Addition
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.
Curated OER
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
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...
Curated OER
Express The Length Whole Word Problems
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...
Curated OER
Same and Different
For this mathematics learning exercise, learners 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...
Curated OER
Mystery Boxes
In this math worksheet, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Curated OER
Missing Items
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.
Curated OER
Addition: Missing Numbers with 3 Addends
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.
Curated OER
Missing Numbers in Two Digit Addition Worksheet #9
In this addition activity, students solve 20 problems in which missing numbers in two digit addition problems are filled in. There is no regrouping on the page.
Curated OER
Adding it Up!
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...
Curated OER
Basic Addition Practice: Missing Items
In 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 to...
Math Worksheets Land
Unknown Numbers in Sums and Differences
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
Curated OER
Tens and Ones
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...
Curated OER
Addition - Up to 12
For this addition worksheet, students solve the horizontal addition problems. Students count on from the addend given to get the find the missing addend.
Curated OER
Addition: Equation to 10
For this addition skills worksheet, students use their problems solving skills to fill in the missing addends in 32 problems.
Curated OER
Mixed Review
In 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.
Curated OER
One digit addition problems
In this addition worksheet, students solve the one digit addition problems for the sums and missing addends. Students complete 10 multiple choice questions.
Curated OER
Missing Subtraction Facts to 20
In this subtraction activity, students use the given numbers to complete and solve the horizontal subtraction equations. Students solve 20 problems.
Curated OER
Counters in the Cup
In this beginning addition learning exercise, students solve 4 problems in which a missing addend is supplied to complete a basic sum.
Curated OER
Addition With Shapes
In this addition with shapes worksheet, students write the missing addend and the sum in simple addition problems represented by sets of colored shapes.
Curated OER
Food Pyramid Power
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...
Curated OER
Adding Up to Ten
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...
Curated OER
Understanding 10: Backwards and Forwards
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...
Curated OER
Two Digit Addition Worksheet: No Regrouping Worksheet #3
In this addition worksheet, students solve 20 problems in which two digit numbers are added with no regrouping. There is a number line provided.