Curated OER
Vertical Three-Digit Place Value Addition #2
In this three-digit place value addition worksheet, students solve a total of 40 problems, adding hundreds, tens and ones and writing the value of the added numbers.
Curated OER
Vertical Three-Digit Place Value Addition #3
In this three-digit place value addition worksheet, students solve a total of 40 problems, adding hundreds, tens and ones and writing the value of the added numbers.
Curated OER
Add Tens and Ones
In this finding the sum worksheet, students add two-digit plus two digit numbers in ones and tens place values with regrouping. Students solve 12 problems.
Curated OER
Tens and Ones
In this tens and ones learning exercise, students count numbers using the value places for tens and ones. Students complete 14 problems.
Illustrative Mathematics
Comparisons 1
A seven question learning exercise asks learners to use place value strategies to decide if each number comparison is true or false.
Curated OER
Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Curated OER
Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. In this subtraction instructional activity, 2nd graders examine how to subtract numbers with and without regrouping. Students work in teams to complete board races. Assessment is provided.
Curated OER
What's Missing?
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
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.
Curated OER
Expanded Form
In this place value learning exercise, students solve 6 word problems where they use knowledge of expanded notation or expanded form to name the value of digits or identify numbers in standard form based on place value clues.
Curated OER
Calc-You-Late Magnitudes
First graders are introduced and practice using a calculator. Individually, they enter and complete simple addition and subtraction problems. After the answer is displayed, they identify the place value for ones, tens, and hundreds...
Curated OER
Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
Curated OER
Rounding Tens to Thousands
In this rounding worksheet, students solve 20 different problems that include rounding various numbers. First, they round some numbers to the nearest hundred. Then, students round different numbers to the nearest thousand. And finally,...
Curated OER
Tic-Tac-Place Value
First graders explore how to write, read, and identify three-digit numbers.
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using...
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.
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.
Charleston School District
Scientific Notation and Appropriate Units
How do you write a number in scientific notation? The handout and video provide an explanation on how to convert from standard form into scientific notation and vice versa. The resource also contains a short discussion about choosing...
Curated OER
Expanded Notation Poster
Show how numbers can be expanded with this vivid chart expressing different place values. The chart takes four numbers and writes them with expanded notation in their thousands, hundreds, tens, and ones places.
Worksheets Plus
Place Value Worksheets - Comparing Numbers
Six problems consisting of sets of tens and ones cubes are arranged for aspiring mathematicians to analyze. For each problem, pupils write down the total numbers of cubes and then use < or > to identify which set is the least and...
Curated OER
Working Backwards as a Problem-Solving Strategy
In this problem solving strategy learning exercise, 3rd graders roll a dice three times and record the number in the hundreds, tens and ones place on the chart, then solve an addition and subtraction problem with that number.
Curated OER
Regroup - Up to 99
In this regrouping worksheet, students regroup 2-digit numbers into the tens and ones place. There are 12 numbers for students to regroup.
Curated OER
Comparing Two Digit Numbers Using Symbols
Second graders compare two digit numbers. In this comparing numbers lesson, 2nd graders discover greater than and less than symbols. Students read Five Little Monkeys Sitting In A Tree and use the story as a model for comparing numbers....
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.