Curated OER
Number Value Assessment
Quiz your second graders with this set of math worksheets involving place value, word problems, number sequence, greater than/less than, coin value, expanded form, and much more! Most have multiple choice answers provided, and generally...
Curated OER
Ways to Make Hundreds
How many ways can you make 200 using 1s, 10s, and 100s? Learners will build number sense, a basic understanding of place value, and prep for future lessons on expanded form with this simple worksheet. They are given 6 numbers, they write...
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...
Curated OER
Race to 50/100
Second graders practice utilizing multiple tens frames and dice to race to fifty or one hundred. They calculate tens and ones to find out how many counters they have on their grid and how many more they need to get to fifty or one...
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 worksheet. Some of the sums have addends as large as 25 and 33. Some...
Curated OER
Wacky Windows
In this place value worksheet, students examine 6 pictures of houses with different window shapes that represent hundreds, tens, and ones. Students answer 6 fill in the blank problems where they discover the three digit number...
Curated OER
Regroup Ones as Tens: Practice
In this regrouping numbers activity, students learn to regroup numbers by writing the tens and ones for each number set and then writing the number. Students finish with one test prep question using regrouping.
Curated OER
Number Patterns
Which number comes next? The great part about this number sequencing instructional activity is that it increases in difficulty so some learners who aren't challenged by the first few will definitely meet their match with the last couple....
Curated OER
Numbers 1-20
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Tens and Ones #3
In this place value worksheet, students count the number of tens and ones represented by blocks, then write the number represented in a blank. Worksheet is labeled as a sample from a subscription site.
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...
Education World
Counting with Marshmallows and Licorice
Here's a tasty instructional activity on place value! Learners practice counting by ones and tens using mini-marshmallows and licorice sticks. They count and add the mini-marshmallows, and use the licorice sticks to represents tens.
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
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
Groups of Ten Ones
In this "groups of ten" worksheet, young scholars circle groups of ten cubes, then write how many rows of tens they have. Worksheet includes a brief introduction to counting groups of ten.
Houghton Mifflin Harcourt
Numbers 11-19
Develop the concept that numbers from 11 to 19 are essentially a 10, plus more! The first two of the six story problems on this sheet are scaffolded with pictures. Learners compose and decompose numbers to answer how many 10s and how...
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
Illustrative Mathematics
Three Composing/Decomposing Problems
Practice composing and decomposing numbers in base-ten using three word problems. Each problem presents a different scenario requiring learners to explain their thinking, find the number of ones, and find out different ways to make a...
Illustrative Mathematics
Making 124
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Curated OER
Deciding When to Regroup
In this regrouping worksheet, 2nd graders complete a chart by determining whether 5 subtraction problems need to be regrouped or not and writing the tens and ones on the lines provided for each one. Students study the first one done for...
Curated OER
Representing Numbers to 50
For this mathematics worksheet, 1st graders identify two-digit numbers that show tens and ones. Then they write how many tens and ones there are and place the number in the boxes given.
Curated OER
Chisanbop (Korean Counting to 99)
Students practice their counting skills. In this counting activity, 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.