Curated OER
It All Adds Up -- Puzzle #17
In this addition matrix puzzle worksheet, students insert 8 numbers that make the puzzle add up horizontally, vertically, and diagonally.
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
In this math instructional activity, 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
Skip Counting
In this math instructional activity, 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...
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 instructional 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
For 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 worksheet, learners 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 learners.
Curated OER
Number Line
In 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
It All Adds Up---Puzzle #5
In this challenging addition learning exercise, students find the missing numbers in a puzzle so that every column and row adds up to the totals at the end of each row and column.
Curated OER
It All Adds Up---Puzzle #4
In this problem solving addition worksheet, students practice finding the missing numbers in a crossword puzzle so every column and row add up to the number found at the end of each column and row.
Curated OER
It All Adds Up- Puzzle #28
In this addition puzzle worksheet, students solve a 12 space addition square in which rows and columns add up to equal the numbers given. Students supply the missing addends.
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
It All Adds Up
In this addition puzzle activity, students solve a math puzzle in which columns and rows equal the given numbers at the end of each. No number may be repeated in any row or column.
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
It All Adds Up -- Puzzle #36
In this addition puzzle worksheet, students complete a 24 space grid in which all rows, columns and diagonals must add up to be the sums that are provided at the end of each.
Curated OER
It All Adds Up Puzzle #13
In this addition puzzle worksheet, students complete a 24 square puzzle in which all rows, columns and diagonals must add up to be the sums provided at the end of each.
Curated OER
It All Adds Up-- Puzzle #31
In this addition puzzle worksheet, learners complete a 24 space grid in which all rows, columns and diagonals must add up to be the sums that are provided at the end of each.
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.
Curated OER
Multiplying With Nine As A Factor
Elementary math minds complete various activities to memorize the multiples of nine. They watch a PowerPoint presentation and demonstrate the finger trick. Unfortunately the link to the multiplication activities does not take you...