Curated OER
Tens and Ones
In this tens and ones worksheet, students count numbers of shapes in groups, writing the number of tens and ones in each set, then writing the total number beside each.
Curated OER
Chisanbop (Korean Counting to 99)
Students practice their counting skills. In this counting lesson, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.
Curated OER
Carrying to Tens
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities.
Curated OER
Place Value-Tens and Ones #3
In this place value worksheet, students count tens and ones shown in pictures and words, put them together and write totals, then do the same for problems stated in words. A reference web site is given for additional activities.
Curated OER
How Many More on a Graph?
First graders identify a number that is one more or one less than a number up to one hundred and identify a mystery number. They also create a class graph that illustrates how many children are in each family, and answer questions about...
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.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
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
Tens and Ones
In this counting by groups worksheet, students practice counting by tens and then by ones. Students count the rows of ten and single cubes and then write how many cubes there are all together.
Curated OER
Groups of Ten Ones
In this place value worksheet, students circle groups of "ten cubes" and write how many tens they counted all together. Students are grouping cubes in ten's.
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
Place Value Review: Tens and Ones Place
Young learners determine the place value of a digit in a given number. They review 10s and 1s place value by participating in activities using unit blocks. Some excellent independent practice is built in to this plan. A written...
Curated OER
Playing with Tens and Ones
First graders complete a number of activities that increase their number sense and use of simple operations. They use dice and worksheets to make two-digit numbers and to record them, they count by tens and ones, and order numbers using...
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
Same and Different
For this mathematics worksheet, learners 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
Using Tens and Ones
Students make bean sticks. In this place value lesson, students practice counting ones and tens by using craft sticks and beans to make counting sticks.
Curated OER
Counting by 10s, 5s, and 1s
Learners practice counting by 10s, 5s, and 1s in order to prepare for counting and adding the values of coins.
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.
Curated OER
Add Tens and Ones
Six story problems challenge young mathematicians to add single- and double-digit numbers. Manipulatives would come in very handy for primary graders tackling this learning exercise. Some of the sums have addends as large as 25 and 33....
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple instructional activity is all you need. Here are 2 worksheets that can be used as a instructional activity on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to...
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,...
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...
Curated OER
Number Breakdown and Description Worksheet
How many ones and how many tens? Explore place value and addition. Learners begin by solving two missing addend problems followed by an addition and subtraction equation. Then, they read two sentences describing numbers by their place...