Curated OER
Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
Curated OER
Value of Coins
In this counting money with coins worksheet, learners count by ones, fives, or tens to write the amount of the money the coins in each row are worth. Students also respond to a question regarding how to make 30 cents with coins.
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.
Curated OER
Regroup Ones as Tens: Homework
In this regrouping numbers worksheet, students learn how to regroup ones as tens to find a given number. Students solve five problems using regrouping.
Curated OER
How Many More on a Graph?
First graders identify a number that is one more or one less than a number up to one hundred and identify a mystery number. They also create a class graph that illustrates how many children are in each family, and answer questions about...
Curated OER
It's All in the Number
In this place value worksheet, students read a number, then fill in blanks telling how many hundreds, tens and ones appear in the number.
Curated OER
Carrying to Tens
In this math worksheet, learners learn to carry to the tens place in addition. Students solve 8 problems, each with pictures of tens rods and cubes which illustrate the concept.
Curated OER
Regroup Ones as Tens: Problem Solving
In this regrouping numbers worksheet, students read the word problems and then solve by regrouping the numbers in the ones as tens. Students solve four problems.
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.
Curated OER
Hundreds, Tens, Ones
In this place values worksheet, students use the base ten blocks and the square unit blocks to find the hundreds, tens, and ones values places. Students also find the secret number for the 6 problems.
Curated OER
McONE Hundredth Day
Students explore the components of a calendar and counting through the preparation and celebration of the "One Hundredth Day" of school. Badges are worn and McDonald fries are enjoyed in the celebration.
Curated OER
Decide When to Regroup - Reteach
In this addition worksheet, 3rd graders decide when to regroup in addition problems after reviewing the steps. They use a workmat and place value blocks as they complete 4 problems. They identify how many tens and ones there are and...
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 1)
Support math vocabulary using a set of 25 flashcards. The set consists of a variety of bold-faced word cards and corresponding labeled picture cards. Terms include even numbers, regrouping, skip counting, and more.
Curated OER
Counting and Calculating
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Curated OER
Subtract Tens and Ones
in this finding the differences worksheet, students subtract one-digit and two-digit numbers from two-digits written in place value blocks with some regrouping. Students solve 12 problems.
Houghton Mifflin Harcourt
Unit 5 Math Vocabulary Cards (Grade 2)
Reinforce math vocabulary with a set of flash cards. Two types make up a set of 10 cards; a word card and a labeled, picture representation. Terms included are estimate, ones, regroup, and more.
Curated OER
Finding Place Value
In this place value activity, 2nd graders determine how many ones and tens places are in the provided number. Students are given 13 problems in order to practice the skill.
Curated OER
Number Breakdown and Description Worksheet
How many ones and how many tens? Explore place value and addition. Learners begin by solving two missing addend problems followed by an addition and subtraction equation. Then, they read two sentences describing numbers by their place...
Curated OER
Tens and Ones
In this math literacy worksheet, learners fill in the blocks in order to count the values for each of the nine boxes with large ten and small ones values.
Curated OER
Regroup Tens or Ones
In this regrouping practice worksheet, students sharpen their problem solving skills as they use tables or models to solve 6 story problems that require them to regroup.
Curated OER
Regroup Ones and Tens
In this addition worksheet, students add upward 15 2 and 3-digit whole numbers problems. Students complete 3 tables utilizing Algebra functions and answer 2 test prep questions.
Curated OER
100 Or Bust!
Elementary schoolers use their understanding of place value to develop a strategy for a number game. In this lesson, pupils use place value to play "100 or Bust" and figure out a good winning strategy. These kinds of math games are...
Illustrative Mathematics
Hundred Chart Digit Game
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...