Curated OER
Partition Into thousands, hundreds, tens and ones
An abacus may be old, but it's still a great visual tool. Young mathemeticians look at, study and analyze 8 abacus images. They look at each image to determine how many beads are in each place value. They work with thousands, hundreds,...
Curated OER
Counting by 2s, part 2
Two, four, six, eight...can your scholars count by twos? They fill in missing numbers in 18 number sequences, all of which require skip counting by twos. Some begin on an even number and others odd, however all of these are whole...
Curated OER
Learn To Count By Tens
In this counting by tens instructional activity, students count groups of ten, observe the numerals ten to one hundred, and solve the total of ten sets of ten.
Curated OER
Counting Back in Tens
For this counting back in tens worksheet, students count down in tens from one number given to another. A website reference for additional activities is given.
Curated OER
Counting Back in Tens
In this counting backwards in tens worksheet, students practice counting down in tens in 4 rows of numbers. Students count down in tens from 50 to 0, 70 to 20, 90 to 40 and 60 to 10.
Curated OER
Counting In Groups Of 10
In this counting in groups of ten worksheet, students count ten dots and circle them in six boxes, write how many ten-groups they get and then write how many ones are left over.
Illustrative Mathematics
Counting Stamps
Stamps come in sheets, strips, and singles. Young mathematicians use their knowledge of hundreds, tens, and ones to determine how many stamps Mike has altogether.
K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones)
When working with base blocks, you need a base ten mat. Well, here it is! Organize your tens and ones using this mat to represent, count, and examine numbers.
Curated OER
Counting Back in Tens
For this counting back in tens worksheet, students complete number lines. In this problem solving worksheet, students count down to fill in the blanks for four number lines.
Curated OER
Counting Back in Tens (pg. 1)
For this counting by 10 worksheet, 1st graders count down in tens from the numbers 87, 68, 92 and 77. There are 5 boxes to be filled in for each number.
Curated OER
Learn to Count
In this learning to count by tens instructional activity, students observe ten groups of ten die and read the numbers totaling each group of ten. Counting by ten to one hundred, students develop an understanding that ten sets of ten die...
Curated OER
Revise Counting Back in Tens
In this counting by ten activity, students solve 6 problems in which the missing numbers in the number tracks are filled in to show counting backwards by ten. Number range is from 607 to 6.
Curated OER
Hundreds and Tens - Count the Blocks & Rows
A perfect second grade worksheet. The class reviews counting by hundreds and tens using cubes, then count blocks and rows to determine how many cubes there are in a given set, 4 sets total.
Math Salamanders Ltd.
Place Value - Hundreds, Tens, and Ones - Count the Balloons
Second graders count the number of balloons represented in groups of hundreds, tens, and ones, then compose a three-digit number. There are three problems to solve.
Curated OER
Count by 5s, 10s, and 100s
There's an easier way to count! Scholars get practice counting by 5 and 10 in this skip-counting worksheet. There are 10 problems, and for each they observe a set of objects that have been grouped. Learners skip count to get a final...
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
Revise Counting Back in Tens
In this counting back learning exercise, 2nd graders answer 6 rows of questions with number lines in which they have to count back by 10 and fill in the blanks.
Curated OER
One and Tens Place Value
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
Curated OER
One and Tens Place Value - Step-by-Step Lesson
Give your pupils a grasp of place value in a two-digit number. They see a drawing of counting cubes in a stick of ten, then examine a set of four. Mathematicians determine how many blocks there are by grouping the tens. Ideally, you will...
Curated OER
Tens and Ones
In this tens and ones worksheet, students complete several exercises that help them learn value places and write numbers as tens and ones. Students complete 45 problems.
Curated OER
Ones and Tens Place Value
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
Curated OER
Counting in Groups of Ten
In this place value and counting worksheet, students count the groups of ten dots in each of 6 examples. They count ten dots, and circle them. They count how many groups of ten they get, and how many dots are left over before recording...
Curated OER
A Model for Tens and Ones: Reading an Abacus
Interpreting pictures of an abacus, learners write 2-digit numbers. They read and transcribe abacus beads in the tens and ones places. For extension, they draw pictures to represent the numbers 9 and 90. Really bring it to life using a...
Curated OER
Exercises: Counting by 10s
You've found six problems sure to help your class understand adding tens and hundreds. First they fill in a chart by adding 10s, then they make 100 in different ways. They then use a hundred chart to complete three different patterns,...