Houghton Mifflin Harcourt
Curious George Learns to Count
The magic number is 100. A collection of fun activities, this guide provides educators with ideas for young mathematicians to practice counting to 100.
Curated OER
Counting On In Tens
How can you start at 13 and end up at 43? By adding 10s of course! Kids complete 4 different number lines by adding 10s. Each line begins with a teen number and is 4 numbers long. An answer key is included.
Curated OER
Count by 10
In this counting by 10 worksheet, students begin at a given number is a row and fill in blanks in the row, counting by 10. An answer key is included.
Curated OER
Count On By 10
In this counting by 10 activity, students begin with a number in a row and count on by 10, filling in blanks. An answer key is included.
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
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
Revise Counting Back in Tens (2)
In this counting back worksheet, 2nd graders study the given numbers and fill in the missing numbers by counting back by tens. Students complete 6 sets.
Curated OER
Count on Tens to Add: Problem solving
For this addition word problems worksheet, students work on counting on by tens. Students are given a story problem where they can count on by 10's to solve the problem. Students are also asked to draw or write to explain their answer.
Curated OER
Mental Math: Subtract Tens, Problem Solving
Subtracting by 10s is easy for your young learners with this worksheet! There are three questions to accompany a bar graph, and there's a space for learners to explain their answers. Encourage them to use mental math here!
Math Salamanders Ltd.
Counting on by 1's, 2's, 5's, 10's, and100's Sheet 1
In this counting on worksheet, students fill in blanks in rows, counting by ones, twos, fives, tens, or hundreds as instructed. A website reference for additional resources is given.
Curated OER
Add Tens
Learners solve six story problems about adding 10s. Provide 10-rods or objects they can group into 10s to visualize what is being asked. Two of the problems provide irrelevant information; with discussion and guidance, this is also a...
Curated OER
Multiply With 10
Second and third graders solve 10 problems in which bundles of ten counters are multiplied by a number. They count by tens to solve each problem.
Curated OER
Multiply With 10: Homework 19.3
Second and third graders solve three problems in which ten is multiplied by a number. Pupils may use the picture clues to skip count by 10s.
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.
Curated OER
First Grade Math Review
In this first grade math review worksheet, 1st graders complete problems on place value, fractions, counting, shapes, and more. Students complete 25 multiple choice questions.
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing...
Illustrative Mathematics
Party Favors
Pia is putting stickers into party bags. She starts by putting 10 stickers in each bag, and over the course of a week she adds several bundles of ten stickers to each bag, as well as making more bags. Second graders must find the number...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Curated OER
Counting Back in Tens
In this counting by 10's worksheet, students count backwards by 10's, starting from different 2 digit numbers. Students complete 4 problems.
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
Count by Twos, Fives, and Tens
In this skip counting worksheet, students solve 6 problems in which missing numbers on spinners are filled in after students determine the pattern: counting by 2, 5, or 10.
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...
Curated OER
Zero is Our Hero
Students use construction paper to make a set of folding cards that initially hide a zero and then open to reveal a new number. They put their cards into sequential order and recognize numbers as they count by ten.