K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones with Tens Frame)
Working with base 10 blocks? Use this base 10 mat to organize blocks, tens and ones with one ten frame, and determine how many groups of blocks can be used to represent numbers.
Illustrative Mathematics
How Many Days Until Summer Vacation?
On the 124th day of school, young mathematicians are asked to find out how many days are left in the 180-day school year. The teacher version to the task offers several ways the problem can be solved, and can be used to guide instruction...
Curated OER
Jump on Tens
Give the actors in your class a chance to shine as they act out skip-counting. In their roles, they take turns shouting out different number patterns and jumping when reaching the given goals set for each number family. A fun and...
Illustrative Mathematics
Assessing Counting Sequences Part I
Working with kindergartners one-on-one, you will identify their ability to count by 1s and 10s and conclude what levels they have mastered, as well as where they need skills practice and instruction. The commentary provided will aid you...
Curated OER
Primary Counting Skills
Class members drill and practice counting skills from 1 to 20. They count along with a puppet and when the puppet makes a mistake, they correct it. In pairs, they connect cubes to make a train and count the number used. On the last of...
Curated OER
Study Buddies: Counting Back Tens and Ones
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Tens and Ones Guided Lesson
Understanding place value will open up a world of math comprehension for your learners. There are three parts to this worksheet, all with the objective of revealing the decomposition of numbers into tens and ones. First, scholars examine...
Houghton Mifflin Harcourt
Mental Math: Subtract Tens - Homework 12.1
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
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
Counting Circles
Here is another learning game that will engage your kindergartners and support them with their counting fluency. Forming a circle where everyone faces inward, choose a counting sequence (counting frontward or backward) with no more than...
Curated OER
Learn To Count By Tens
In this counting by tens worksheet, 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
In 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
For 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 activity, 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
In 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)
In 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
Counting by Tens
First graders listen to "One Is a Snail, Ten Is a Crab", a story about a crab with ten feet and counting by tens. They create their own crab to practice counting by tens to one hundred.
Curated OER
Learn to Count
For this learning to count by tens worksheet, 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 equal one...
Curated OER
Revise Counting Back in Tens
In this counting by ten learning exercise, 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.
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.