Curated OER
Missing Numbers - Subtraction Worksheet
In this subtraction worksheet set, 1st graders find the differences to 51 online, single digit subtraction problems. They insert the subtrahend in each problem. They print the page if the want to save the data or work on the page at...
Curated OER
Subtraction: Missing Numbers
In this subtraction worksheet, students solve 36 subtraction problems where the subtrahend is missing. Worksheets are 3 pages, 12 problems per page.
Illustrative Mathematics
Find the Missing Number
First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.
Curated OER
St. Patrick's Day Missing Digits (J)
In this St. Patrick's Day missing digits learning exercise, pupils figure out the missing numbers in twenty-two addition, subtraction and multiplication equations.
Curated OER
Missing Numbers: Addition and Subtraction
In this missing numbers worksheet, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
Savvas Learning
Missing Numbers
Young learners answer six fill in the blank questions where they determine the missing addends for four addition word problems. They fill in the missing numbers on a problem that involves both addition and subtraction. Lastly, they...
Curated OER
Missing Number
First graders examine how to use a symbol and shape variable to represent a missing value in a mathematical equation. They listen to the book "Fish Eyes" and "One Less Fish," and observe the teacher write an equation represented for each...
Illustrative Mathematics
What’s Missing?
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
Curated OER
Missing Numbers
In this basic subtraction worksheet, students write in the missing numbers that make the subtraction equation correct. They then match the facts that go together by drawing a line between them. There are 12 problems to solve on this page.
Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
DK Publishing
Subtracting Big Numbers, part 2
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
Curated OER
Missing Numbers in Equations (A)
Learners observe one factor and the sum and fill in the blank for the other missing factor. They solve 32 problems.
Curated OER
Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
Curated OER
St. Patrick's Day Missing Digits (H)
In this St. Patrick's Day missing digits instructional activity, students solve for the missing digits in twenty-two addition, subtraction and multiplication equations.
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Curated OER
3-Digit Subtraction-Missing Numbers
The class completes a set of 12 problems, writing the missing number necessary to arrive at the given answer. All problems use 3-digit numbers. A great way to build algebraic reasoning.
Curated OER
Missing Numbers Subtraction (A)
In this math worksheet, students fill in the missing number in 40 subtraction facts. Students fill in the missing numbers to make the equations true. All numbers are below 20.
Curated OER
Missing Numbers Subtraction (C)
In this addition and subtraction practice worksheet, students solve 24 problems that require them to write the missing numbers in the subtraction sentences.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
What's Missing? (Fractions)
In this mixed numbers worksheet, students find the missing numbers, Students complete the worksheet by finding the correct mixed number to make each of the sixteen problems correct.
Math Salamanders Ltd.
Missing Subtraction Facts to 20 sheet 2
They can tackle this instructional activity once your class has mastered basic double-digit subtraction. They'll need to find the missing subtraction facts to 20 that complete each problem.
Curated OER
Missing Subtraction facts to 12 sheet 1
Pupils subtract numbers 1 through 12 and complete missing addend problems. This worksheet includes a helpful number line and 20 problems to complete. Tip: Hand out unifix cubes or chips to help tactile learners solve each problem.
Curated OER
Subtraction: Missing Numbers
In this subtraction practice activity, learners use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
Curated OER
Subtraction: Missing Numbers 4
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.