Curated OER
Different Ways to Count
Fourth graders investigate various number systems and ways of counting. In this various number systems and ways of counting lesson, 4th graders discuss number systems from around the world. Students practice counting using...
Curated OER
Level 2 Test 2 Math Assessment
In this math assessment worksheet, students complete a 100 question multiple choice test. Included are: mixed operations, fractions, geometry, money, patterns, graphs, time and estimation. Text is written in all capital letters.
Curated OER
Counting by Making Groups
First graders represent, compare, and order numbers. In this counting skills lesson, 1st graders use manipulatives to demonstrate one-to-one correspondence and to represent numbers. This lesson includes a teacher script to guide the lesson.
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Partial Products
Students use the partial products algorithm to complete multiplication problems. In this partial products lesson plan, students are introduced to the algorithm and connect the relationship to multiplication and division problems.
Curated OER
Operations with Decimal Numbers
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
Curated OER
Our Friends in the East
Learners explore Chinese New Year. In this Chinese culture instructional activity, students visit websites to research the traditions and culture of China as they relate to Chinese New Year.
TES Global
Tes: Tens and Units Visualizing
[Free Registration/Login Required] Explore base ten by bundling ten crayons at a time and then counting groups of ten without counting each individual crayon.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Tens and One Game [Pdf]
Students will explore place value using base ten blocks and following the given directions.
ABCya
Ab Cya: Base Ten Fun
Base Ten Fun is an educational virtual manipulatives activity for kids learning place value, addition and subtraction. Base Ten Fun is highly customizable; kids can select from ones, tens and hundreds.
CK-12 Foundation
Ck 12: Elem Math: Identifying Numbers Based on Statements Involving Place Value
[Free Registration/Login may be required to access all resource tools.] Students practice solving addition problems using place value concepts.
CK-12 Foundation
Ck 12: Elem Math: Identifying the Value of Digits Based on Place Value
[Free Registration/Login may be required to access all resource tools.] Students practice with whole number place value by identifying the value of digits.
ABCya
Ab Cya: Base Ten Bingo
Base Ten BINGO is a fun educational learning activity for children to practice counting by one's, ten's, hundred's and thousand's. First children select the desired place value and grid size. Next, add up the blocks on the right and...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Adding Tens to a 2 Digit Number [Pdf]
Students will flip two cards over and determine the sum. Base ten blocks could be used for additional help.
Study Pad
Splash Learn: Common Core Math Standards 1.nbt.2.c
[Free Registration/Login Required] Learn the tens by choosing the correct answer in this game. Each question shows you a base-ten model and you choose which number it represents.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Base Ten Bag: Addition [Pdf]
Experimenting with addition. Materials needed :Base 10 blocks (12 tens and 12 ones), paper bag and a die.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Base Ten Bag (Subtraction) [Pdf]
Students are to work with a partner to practice subtraction. Materials needed:Base 10 blocks (9 tens and 9 ones), numeral cards (0-9) and a paper bag.
Illustrative Mathematics
Illustrative Mathematics: Tenths and Hundredths
The purpose of this task is for students to explore the relationship between tenths and hundredths (as well as the relationship between tens and hundreds).
TED Talks
Ted: Ted Ed: What Happens When Your Dna Is Damaged?
The DNA in just one of your cells gets damaged tens of thousands of times per day. Because DNA provides the blueprint for the proteins your cells need to function, this damage can cause serious issues-including cancer. Fortunately, your...
ICT Games
Ict Games: Life Guard
See how many people you can rescue. Click the number of tens and ones you need to move down the number line to the rescue. When you get there click the life preserver and then watch your rescue numbers add up.
ICT Games
Ict Games: Shark Pool Place Value
Practice your two-digit place value skills here. Just press the "go" button and find the number on the right that is represented by the base ten blocks on the left.
Illustrative Mathematics
Illustrative Mathematics: Peyton and Presley Discuss Addition
The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding...
E-learning for Kids
E Learning for Kids: Math: Fisher Boat: Number: Count to 1000 and Money
On this interactive website students practice various math skills using a real life scenario on a fishing boat. Those skills include counting forwards by tens, reading three-digit numbers, and producing a three-digit number using base...
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This learning module features an interactive, a video, and a practice quiz in which students identify the ones, tens, or hundreds digit of a value by counting the...