Curated OER
Hundreds, Tens, and Units
How many hundreds, tens, and ones are there? The class examines 3 different images, each containing flats, rods, and units. They write down the number of 100s, 10s, and 1s, then the whole number they represent.
Curated OER
Counting, Properties of Numbers, and Reasoning about Numbers
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
K-5 Math Teaching Resources
Base Ten Hundreds Flats (4 per Page)
Looking for a base 10 hundreds flat? Look no further! Here, you'll find four base 10 hundreds flats with space to write under each model.
Curated OER
How Many Ways Can You Count?
Youngsters chorally count to 100 by 1s, 2s, 5s, and 10s, and backwards from 20, using chip markers and a hundreds chart. Includes a printable chart and a teacher checklist for assessing mastery.
Curated OER
Counting to 100: Step-by-Step
Introduce your pupils to the hundreds chart! This pair of worksheets is designed to walk them through the patterns they see in the chart as they count by ones and 10s. They fill in missing numbers on a hundreds chart, using guided steps....
Curated OER
Color Me Red If I Am a Ten
Learners count aloud by tens. They use a number chart to color in every number that ends in a zero and then participate in choral counting by tens.
Curated OER
Ten by Ten
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...
National Security Agency
Expanding Place Value
Learners explore place value. This incredibly thorough and valuable mathematics instructional activity, has students make a number wheel to assist in the completion of a Place Value worksheet. Students use manipulatives and a place value...
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Rainbow Place Value
How many tens and ones are in the number 67? This is exactly the type of question learners are required to answer. They write the numbers in written form, expanded form, and then identify the amount of tens and ones in a given number.
Curated OER
Three-Digit Number: Hundreds Place
Looking at the image of two sets of base ten blocks, learners determine which represents the number shown. This process is fully explained just below the problem. Use for review or extra practice.
Curated OER
Counting and Calculating
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
Curated OER
Color Me Green If I Am a Five
First graders count by 5's to 100. They use a number chart to identify and mark all numbers ending in five or zero. They use the charts to participate in choral counting.
Curated OER
Regroup Tens as Hundreds
In this regrouping tens as hundreds practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
Curated OER
Value that Number
Learners complete a variety of activities to gain an understanding of the place values for ones, tens, and hundreds. They should place sets of numbers in order from least to greatest and from greatest to least.
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Place Value
Students use various manipulatives and play a game to practice place value and to help them visually see how many "ten" is.
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Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
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Number Chart and Number Line
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
Have Fun Teaching
Base 10 Blocks
Base ten blocks are a great tool for teaching young mathematicians about a number of math concepts, unfortunately they aren't always available to teachers. That is, until now. This printable resource allows all children the opportunity...
Curated OER
Numbers Through 1000
In this numbers through 1000 practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to use number models to add and subtract.