Khan Academy
Khan Academy: Hundreds, Tens, and Ones
Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Numbers to 999
On this interactive site students learn to read two and three digit numbers, use words to write numbers, put numbers in ascending and descending order and locate place value of digits.
ICT Games
Ict Games: Shark Numbers
Shark Numbers is a mobile-friendly place value game. The learning objective of this game is to know what each digit in a 3-digit number represents, (for ages 5-8).
Khan Academy
Khan Academy: Compare 2 Digit Numbers
Practice comparing numbers (within 100) using the symbols , and =. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add 2 Digit Numbers (No Regrouping)
Practice solving problems like 24 + 45.
CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 9 in the tens place, discussing place value of digits. The video is followed by practice problems to assess...
Saddleback College
Algebra2go: Digits and Place Value: Part 2 Problem Sets
Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Party Favors
In this lesson plan students determine the value of each digit in a three digit number.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Many Ways to Do Addition 2
This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.
Purple Math
Purplemath: Number Bases: Introduction & Binary Numbers
The process of converting between different number bases is actually fairly simple, but the thinking behind it can seem a bit confusing at first. And while the topic of different bases may seem somewhat pointless to you, the rise of...
Khan Academy
Khan Academy: Compare 3 Digit Numbers
Practice more challenging problems comparing numbers within 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100
A step-by-step tutorial showing how to add 2-digit numbers in place value columns without regrouping. Includes exercises to try. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Alabama Learning Exchange
Alex: Multiplication My Way
In this instructional activity, students will explore the US Algorithm Method of multiplication using a unique way of describing it known as the Turtlehead Method. Students will collaboratively work together to complete story problems...
Khan Academy
Khan Academy: Multiply 2 Digits Numbers With Area Models
Use an area model to decompose factors and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii
[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Creating Largest and Smallest Numbers Given Variables, Digits
[Free Registration/Login may be required to access all resource tools.] Practice forming the largest and smallest numbers given a set of 3 digits, two of which are unknown variables, in this learning module. Includes video demonstration...
CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 5 in the tens place. The video is followed by practice problems to assess student understanding of the concept.
Math Cats
Math Cats: Can You Say Really Big Numbers?
Practice reading and writing out the number words for large numbers.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Base Ten Concentration [Pdf]
Students determine if the base ten picture is the same as the two-digit number in this game of memory.
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 1000
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
CK-12 Foundation
Ck 12: Elem Math: One Step Conversions Between Multiples of 10
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to give the equivalent value of a digit in two different place value positions for numbers up to 10 million. Includes...
Khan Academy
Khan Academy: Add Within 100
Practice adding two-digit numbers. All numbers in these problems are 100 or less.
Illustrative Mathematics
Illustrative Mathematics: 4.nbt What's My Number?
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...
Illustrative Mathematics
Illustrative Mathematics: Multiplying Decimals by 10
The purpose of this task is to help students understand and explain why multiplying a decimal number by 10 shifts all the digits one place to the left. This understanding builds on work around place-value that students have done with...