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Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Math Addition With Carrying 2, 3, and 4 Digits

For Students K - 1st Standards
Students solve two, three, and four-digit addition problems with carrying. The sum turns blue if correct.
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt Ordering 4 Digit Numbers

For Teachers 3rd - 5th Standards
It is common for students to compare multi-digit numbers just by comparing the first digit, then the second digit, and so on. This task includes three-digit numbers with large hundreds digits and four-digit numbers with small thousands...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Addition: 3 Digits

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on adding 3-digit numbers with regrouping. [1:32]
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 2.nbt Many Ways to Do Addition 2

For Teachers 2nd Standards
This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Sums of Whole Numbers to 1000 (Grade 4)

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Use addition to find the sum or summand of numbers up to 1000. It includes how to videos with an overview, selecting the correct and incorrect sentence, and adding...
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Handout
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 100 With Regrouping

For Students 2nd Standards
Demonstrates how to regroup when adding 2-digit numbers.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Addition: Complete the Addition Sentence

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] A video [0:56] and practice questions where students find a missing number in addition sentences with sums to 1000.
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt What's My Number?

For Teachers 3rd - 5th Standards
The purpose of this task is for students to reason about base-ten numbers on the number line in a way that will require them to use what they know about place value. Students first represent addition and subtraction on the number line in...
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.oa Symmetry of the Addition Table

For Teachers 2nd - 4th Standards
The goal of this task is to help students understand the commutative property of addition by examining the addition facts for single digit numbers. Aligns with CCSS.Math.Content.3.OA.D.9 Identify arithmetic patterns, and explain them...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding, Subtracting, and Multiplying With Parentheses

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A learning module where students apply the order of operations to solve equations involving addition, subtraction, and multiplication of multi-digit numbers, as well...
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Unit Plan
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding 3 Numbers Word Problems

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] This mathematics resource begins with a video tutorial working through a word problem adding 3 whole numbers. It also includes adaptive practice questions for adding...
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
Improve your computation skills using this timed interactive worksheet.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Using Operations and Parentheses

For Teachers 4th - 8th Standards
The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...