Willow Tree
Rational vs. Irrational Numbers
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
Curated OER
Column Addition practice 4.6
In this adding columns worksheet, learners add two-digit and three-digit numbers, use symbols to compare pairs of addition problems, and solve word problems. Students solve nineteen problems.
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Column Addition, 3-Digit and 4-Digit Numbers
Show scholars that if they can add two multi-digit numbers, they can add four! They complete 20 practice problems adding three and four-digit numbers. All the equations have four addends and include units. All numbers are whole numbers....
Curated OER
Addition of Four Numbers (49 Problems)
Pupils solve 49 problems in which four numbers are added with carrying. These are 2, 3, or 4 digit numbers in column addition.
Curated OER
Addition of Four Numbers (100 Problems)
Learnes solve 100 problems in which 4 four-digit numbers are added with regrouping. The problems are very closely spaced in small print.
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson plan is all you need. Here are 2 worksheets that can be used as a lesson plan on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding...
Curated OER
Adding and Subtracting Decimals With Excel
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
Curated OER
Adding and Subtracting: Examples
If you'd like to show learners a variety of ways to solve addition and subtraction problems, consider this slide show. It contains several examples of four-digit addition and subtraction problems that are solved several ways. Vertical...
West Contra Costa Unified School District
Simplify Expressions and Solve Equations Using Two-Column Proofs
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
EngageNY
Complex Numbers as Vectors
Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...
Curated OER
Investigating Square and Triangle Numbers
Fifth graders build increasingly larger squares and triangles using pattern blocks. They record the growth patterns on a chart and look for corresponding numerical patterns. Students describe the patterns they find and use them to...
Curated OER
Column Addition With 2-Digits (Sheet #4)
In this addition instructional activity, students practice adding numbers in columns. Students complete the instructional activity by solving twelve two-digit addition problems.
Math Salamanders Ltd.
Column Addition - 4 Digits and Multi-Addends
In this addition worksheet, students complete a set of 12 problems by adding three- and four-digit numbers. A reference website is provided for additional activities.
Curated OER
Addition With three Addends
Your class can use this worksheet to practice addition with three addends. Each of the 20 problems requires them to add 3 single digit number together to find a sum.
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Curated OER
Add Three Numbers Practice 11.4
In this column addition worksheet, students solve 13 problems in which three two-digit numbers are added. Students look for a ten or a double.
Curated OER
Add Three Numbers
In this column addition worksheet, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Curated OER
Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
Curated OER
Multiplying by 10
Multiplying by 10 is simple, but do your scholars know the trick? They look at four examples; if you haven't learned this yet, see if they notice a pattern in these answers. They multiply 70 numbers by 10. Most are two-digit, but a few...
Curated OER
Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
Curated OER
Vertical Three Digit Place Value Addition 1
In order to add 3 digit numbers together and understand place value learners add to find the standard form. THere are 40 problems in which the hundreds, tens, and units are added to find a sum. Note: This format may confuse some children...
Curated OER
Column Addition: Single Digits
For this math worksheet, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.