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...
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
Subtraction and Unknown Addends (to 20)
How many more gallons of fuel does Mr. George need to fill his car to capacity? This word problem uses the unknown addend strategy to get scholars subtracting and thinking about the relationship between mathematical operations. There is...
Curated OER
The Hundreds Place
Young mathematicians examine images of counting cubes to determine the value of each set. The arrangement values include hundreds, tens, and ones. Encourage scholars to utilize place value knowledge instead of addition and counting with...
Curated OER
Two-Digit Addition
In this addition worksheet, 2nd graders solve 18 addition math problems with two-digit numbers. Students utilize the tens and ones models and the process of regrouping.
Curated OER
Place Value to 1,000
Second graders study the concept of place value with hundreds, tens, and ones. In the place value lesson, 2nd graders demonstrate their prior knowledge of place value with tens and ones. Students are then introduced to place value with...
Curated OER
Decide When to Regroup homework 10.4
In this regrouping worksheet, students use paper clips to show tens and ones, determine whether there is a need to regroup, and find the sum. Students solve five problems.
Curated OER
Same and Different
For this mathematics worksheet, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by writing a...
Curated OER
Place Value - tenths sheet 1
In this place value activity, students count up the ones place and the tenths place in decimal numbers using dots and then write the number. Students complete 6 problems like this and 9 where they count tens, ones, and tenths and write...
Curated OER
Calculator Activity: Build Up
In this using a calculator to solve problems worksheet, learners observe examples of building up, follow directions for using a calculator, and write the numbers for tens and ones. Students solve three problems.
Curated OER
Place Value Blocks
Flats, rods, and units are used to show what place value actually represents. Learners assess each image, writes the number of flats, rods, and units displayed then write the whole number each image represents. There are 5 problems to...
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
Flying High
In this number sense worksheet, 2nd graders begin basic place value of ones and tens. Students complete four fill in the blank problems stating the number of groups and the total number that is shown in each picture.
Curated OER
How many cards do we need to display the dates of the month on the wall?
Students determine how many number cards are needed to display the dates of the month. In this place value notation lesson, students write numbers on blank cards to see how many are needed of each number to makes all the dates of the month.
Curated OER
Free Printables: Easy Graphs
In this counting and charting worksheet, students compete the chart using either colors or the stickers provided. Teachers can determine the subject of the chart by using the worksheet generator.
Curated OER
Liquid Volume and Mass Word Problems
As your scholars become comfortable with liquid mass and volume units, give them these addition and subtraction word problems to help apply the skill. There are no conversion or fraction skills involved. After solving four word problems,...
Curated OER
Place Value: Hundreds, Tens, Ones
In this place value instructional activity, students look at a number in a left column, then in the right column, write how many hundreds, tens and ones are in that number.
Curated OER
Counting by 10s, 5s, and 1s
Students practice counting by 10s, 5s, and 1s in order to prepare for counting and adding the values of coins.
Curated OER
Groups of Ten Tens
In this place value worksheet, students read about counting by tens using rows of cubes. They circle groups of 10 rows and write how many hundreds they make.
Curated OER
Investigation - What Does 1,000 Look Like?
Second graders determine what 1,000 items look like. In this math investigation lesson, 2nd graders collect 1,000 items and determine the best way to count them by tens and hundreds. They can use stickers on notecards to count to 1,000....
Curated OER
Money Game
Fourth graders give change of one dollar. In this decimal and fractions lesson plan, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar and get their purchase if...
Curated OER
Borrow to Subtract
In this finding the difference worksheet, students subtract two-digits from two-digit numbers written in tens and ones boxes with regrouping. Students solve 12 problems.
Curated OER
How Many Are There?
This is a very basic worksheet intended to provide practice in solving word problems involving subtraction. Learners read the word problems then subtract to find the answer. An answer key is included.
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...