Hi, what do you want to do?
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
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.
Curated OER
Recognizing and Extending Number Sequences
Kids work to recognize and extend number sequences. They determine the rule in order to find the missing number in each sequence given. They review the concept, practice finishing sequences with a calculator, and explain each rule.
Curated OER
Follow the Decade Rules
In this number sense worksheet, students find the missing numbers. Students are to find the missing number or numbers using the rule supplied, or find the rule for the numbers supplied to complete each of the eight charts.
Common Core Sheets
Finding Side Length (Given Area)
Area is the amount of space that takes up the inside of a figure. To find the area of a rectangle, one must multiply the length by the width. Here, third graders are challenged to find the missing side length, given the area.
EngageNY
Finding Equivalent Ratios Given the Total Quantity
Complete incomplete tables by using proportions. Pupils use information provided to complete tables based on proportions. Class members use their knowledge of part-to-part ratios and totals to find the missing information.
Curated OER
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.
Curated OER
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.
Curated OER
Find the Missing Odd Numbers in Order
In 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.
Common Core Sheets
Finding Side Length (Given Perimeter)
Perimeter is the total distance around an object. One can find the perimeter of a rectangle or square by adding all four side lengths together. These worksheets require third graders to find the missing side length, given the...
Curated OER
Number Patterns and Sequences
In this finding the missing numbers in patterns and sequences worksheet, upper graders read a series of one-digit, two-digit, and three-digit numbers to solve the problems. They solve 10 problems.
Curated OER
Number Patterns
An easy way to introduce numerical patterns, these activities can be made simpler by using addition, or more difficult with division, fractions, and percentages. Children examine patterns and determine the missing number in the sequence....
Scholasic
The Magic School Bus and the Missing Tooth
We chew with our teeth every day, but how much do we really know about them? Allow Ms. Frizzle to teach your kids a thing or two about teeth. Kids complete a prereading exercise, read the book, and respond to several prompts about the...
Curated OER
Find the Missing Numbers #1
In this find the missing number #1 activity, students enter the four numbers in the series that are missing, interactively, with immediate feedback.
Illustrative Mathematics
Find the Missing Angle
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
Curated OER
Addition Practice- Fill In the Missing Number- Three Digit Addition
In this fill in the missing number addition learning exercise, 3rd graders find the value of the missing number in 18 addition problems. They are given the sum and find a missing digit in one of the three digit addends.
Curated OER
Two Digit Addition Worksheet #3: Find the Missing Number
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.
Curated OER
Number Wall
Use the number wall to practice addition, evens and odds, missing addends, and doubling. Learners answer various questions based on six numbers, filling in squares with digits. They list the odd numbers and total them, then list the even...
Curated OER
Missing Numbers Multiplication (E)
In this multiplication sentences worksheet, students study the multiplication sentences and find the missing number to solve the 22 multiplication problems.
Curated OER
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.
Charleston School District
3D Applications of the Pythagorean Theorem
How many right triangles can you find in a prism, cone, or pyramid? Using right triangles to find lengths in three-dimensional figures is the focus of the lesson. After working with the Pythagorean Theorem to find missing side...
Curated OER
Ratios: missing number
In this ratios worksheet, students find the missing number in each ratio for numbers up to 10. Students complete 7 ratio problems.
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.
Charleston School District
Solving for a Missing Dimension
If a can has a volume of twelve ounces, how tall it should be? If you can work with volume formulas, it's is an easy measurement to find. After finding the volume of figures in the previous lesson of the series, learners now...