Curated OER
An Easier Way to Count: Using Groups of 10
Students explore their counting skills. In this counting lesson, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count. This lesson incorporates the use a video...
Curated OER
Unidades y Decenas
Using examples of numbers less than one hundred, this presentation in Spanish provides a visual representation of arrays. It would be a great way to help learners understand the concept of tens and ones.
Curated OER
Math Series: Number Patterns
The focus of this math lesson is representing numbers in different ways. Young mathematicians practice putting numbers into sets, and arriving at answers in new ways. For example, they are asked to, "Show me how to get 7 eyes." A...
Illustrative Mathematics
Roll & Build
Develop young mathematicians' understanding of place value with this hands-on math activity. Working in pairs, learners take turns building two-digit numbers by rolling two ten-sided dice. Base ten blocks are then used to model the...
Curated OER
Number Puzzles
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Curated OER
Matching Tens and Ones
In this recognizing place values worksheet, students read two-digit numbers and match them to the box that contains the correct grouping of tens and ones. Students solve six problems.
Curated OER
Estimate Tens
In this estimating tens worksheet, students use a picture of a group of penguins to estimate amounts, circle groups of ten, and find the total number. Students solve six problems.
Curated OER
Add Groups of Ten
In this addition learning exercise, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Tens and Ones Grouping Worksheet
In this place value worksheet, students solve 3 problems that require them to create 2-digit numbers using the math shape counters.
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 1
Clarify basic math concepts with a series of vocabulary posters designed for first graders. The cards include illustrations for fractions, place value, tally marks, and number lines, as well as many more vocabulary words.
Illustrative Mathematics
“Crossing the Decade” Concentration
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills or...
Curated OER
How Many People in Line? Tens
In this tens worksheet, students read a story problem about people standing in line, circle groups of tens and write how many there are, then circle how many tickets will be needed. Students then complete a "write about it" question.
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
Groups of 10
For this counting in groups of 10 worksheet, students count the images in each set and circle the groups of ten. Students then count on to find how many additional images there are and write that number and the total number in the box.
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
Place Value: Tens and Ones
In these recognizing tens and ones worksheets, students count the rods and units and write the numbers in the tens and ones columns, write the correct numbers for the given tens and ones, covert words to the correct numerals, and...
Curated OER
Group Into Fives or Tens
In this group into fives or tens activity, students circle groups of fives or tens to count the total number. In this drawing activity, students find ten groups of five.
Curated OER
Pumpkin Math
In this thematic Halloween math worksheet, students will use pumpkin seeds to complete the fourteen questions. Using the seeds, the students will work on addition and subtraction word problems, place value, and decipher odd and even...
Curated OER
Adding Tens
Second graders explore and discuss adding 10 as they predict number patterns with the hundred chart. They work in pairs, groups choose a number, 1-9, and predict what happens if they add 10 to the number. Students make-a-ten strategy...
Curated OER
Using Groups of Ten to Solve Problems
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
Curated OER
Groups of Ten Ones
In this place value worksheet, learners circle groups of "ten cubes" and write how many tens they counted all together. Students are grouping cubes in ten's.
Curated OER
Ones and Tens
Learners identify the relationship between ones and tens in place value. They use place value mats and straws to identify tens and ones and group the ones to represent tens. After writing and discussing the numbers 10 and 20 they...
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.