Curated OER
Number Bonds: Addition
In this number bonds worksheet, 1st graders fill in the missing number in ten addition equations that make each number bond correct.
Curated OER
Missing Addend (2 through 5)
In this conceptual addition worksheet, students improve their adding skills. Students write a numerical addition problem based on the picture provided. There are sixteen in all.
Concord Consortium
The Trouble with Tables
Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Counting Train Cars By 10s Worksheet
Counting on by 10 is a great way to prep learners for multiplication. Here are four practice problems that require youngsters to count by 10s up to 100.
Curriculum Corner
Bugs and Flowers Math and Literacy Centers
The sun shines, flowers bloom, and bugs fly—it must be Spring! Add a cheerful theme of bugs and flowers to math and literacy centers. Scholars take part in an assortment of activities designed to reinforce concepts such as...
T. Trimpe
Atomic Basics
Get down to basics with these worksheets on the structure of atoms. Challenging young chemists to identify information from the periodic table and create Bohr diagrams and Lewis dot structures for different elements, this...
Curated OER
Addition: How Many Ways?
In this addition learning exercise, students make number sentences out of the 4 numbers given to them. Students are given numbers 2, 4, 6, and 8 and can use each number 3 times.
Curated OER
Add and Subtract within 20
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
Curated OER
Addition Strategies: Compensation
For this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Missing Addends
In this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
Curated OER
Skip Counting
In this math worksheet, students complete 6 number patterns in which students fill in the missing numbers while skip counting. The addition pattern is already indicated for students. All numbers on the page are between 1 and 35.
EdHelper
Addition
In this addition worksheet, 1st graders use the illustrated blocks to help them find the missing number to complete the 11 addition facts.
Curated OER
Missing Numbers - Summation Worksheet
In these virtual worksheets, students complete the number sentence by writing in three numbers to equal the sums provided. The objective is to advance students' addition skills.
Curated OER
Math Review Questions
In this problem solving activity, students calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.
Curated OER
Counting In Tens: Crossing the Hundreds Boundary
Count on by 10 to finish each number line. Pupils count on 10 begins at a variety of three-digit numbers. There are 6 problems to solve.
Curated OER
Year 6 Booster pg. 6
In this mixed practice worksheet, 3rd graders give 3 addends to complete two equations and write the missing numbers in 7 equations.
Curated OER
Adding Grid-- Fill in the Missing Squares 0 to 15
In this math learning exercise, students fill out an addition grid with the facts from 1 to 15. Students add the numbers for each square. There are random answers filled in which are clues for the students.
Curated OER
Number Line
For this basic mathematics worksheet, students fill in the missing numbers on each of the number lines shown. They add or subtract to find the missing numbers for each line.
Curated OER
Make 80
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Curated OER
Holiday Math Mystery
In this Christmas math learning exercise, students fill in each tree with the missing number to complete the addition problems. Students then use the missing numbers to find the secret message about Christmas.
Curated OER
Mentally Add and Subtract 10 or 100
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...
Virginia Department of Education
A Mystery to Solve
Investigate field properties of real numbers. Scholars use a table for a given operation to determine the identity element. They use the same table to find a missing value in an equation.
Curated OER
Skip Counting By Hundreds
There are 6 different number sequences for learners to complete. Each contains missing number. They skip count by hundreds to determine which number will best fill in the blank.