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.
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Missing Hundred Square
Kids are presented with the problem of finding the missing numbers to each of nine 100s squares. They'll need to subtract and add to make each puzzle equal 100. Great challenge or daily warm-up activity.
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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.
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Find the Missing Numbers #1
In this find the missing number #1 learning exercise, students enter the four numbers in the series that are missing, interactively, with immediate feedback.
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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...
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Find the Missing Number
Kids can use the train themed number line to help them solve any of the 12 missing addend math problems. They must determine what plus the given number equals the provided answer.
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Find the Missing Number
In this find the missing number worksheet, students find the missing numbers from one to twenty and write them in the empty space.
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Missing Numbers--Division Worksheet
In this problem solving worksheet, students find the missing numbers that would make 9 division math problems have the answers they have.
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Addition Number Chart
Number charts are a great way for learners to practice counting and observe number patterns. There are four charts here with missing numbers for scholars to fill out. Each contains some numbers filled in as reference. Challenge...
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Finding a Half on a Number Line
Introduce your math class to fractions with this worksheet. Six number lines are provided, and learners must fill in the missing numbers. Some blanks are whole numbers, and some are half numbers. Numbers up to 48 are shown.
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Subtraction - Find the Missing Numbers
For this subtraction worksheet, 3rd graders find the missing numbers in 8 subtraction problems. They estimate the differences in 4 three and four digit subtraction problems before calculating each answer.
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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.
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Missing Numbers Multiplication (C)
In this multiplication sentences worksheet, students study the numbers in the multiplication equations and solve the multiplication sentences by finding the missing number. Students solve 24 equations.
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Missing Numbers Multiplication (E)
For this multiplication sentences worksheet, students study the multiplication sentences and find the missing number to solve the 22 multiplication problems.
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What's Missing?
In this patterns worksheet, 2nd graders look for the patterns in a given chart, write in the missing numbers and complete eight sentences involving answers from the chart.
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Addition Practice
In this addition worksheet, learners practice their adding skills. Students are given twenty addition problems with missing sums or addends where learners are to find the missing numbers.
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TAKS Math Quiz-Find Missing Numbers
For this TAKS math quiz worksheet, students take an online quiz focused on finding missing numbers. Quiz can be graded online by clicking a link.
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Find the Missing Odd Numbers in Order
For this finding the missing odd numbers in order worksheet, students determine odd numbers and their sequence. In this fill in the blank worksheet, students write missing numbers in three groups.
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Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
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Find the Missing Numbers
In this missing numbers activity, students solve 25 problems in which missing numbers in multiplication or division problems are filled in. Students also use picture clues to write equations in multiplication to solve. This page is...
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Fraction Worksheet 1: Missing Numbers
In this fractions worksheet, students view fraction equivalents and find the missing numerator or denominator. Answers are found by clicking a link. An excellent in-class activity, or homework assignment.
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Adding Bigger Numbers: 2 and 3 Digit Numbers
Challenge your young learners with an addition activity, which provides different opportunities to practice adding two and three-digit numbers. The first two sections provide twelve problems for pupils to solve, while the last two...
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Missing Numbers in Equations (A)
In this division worksheet, students find the missing numbers in 32 single digit division problems. They write the missing number on the blank in each equation.
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Solving Equations
How do you solve a problem when a symbol or letter is used in place of a missing number? Build algebraic reasoning and problem solving skills with this presentation that explains three methods for finding a missing variable. The guess...