Worksheet
Curated OER

Math Skills Review

For Students 4th - 5th
In this math skills review worksheet, students solve 30 problems pertaining to place value (ones, tens, hundreds), inequalities, missing operations signs and completing a table. This page is intended as an online activity, but may be...
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
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...
Lesson Plan
Curated OER

Groups of Ten Tens

For Teachers 2nd - 3rd
In this place value worksheet, students read about counting by tens using rows of cubes. They circle groups of 10 rows and write how many hundreds they make.
Lesson Plan
Curated OER

Block Heads

For Teachers 2nd - 4th
Students demonstrate whole numbers through one thousand using base ten blocks. They model and describe given numbers using ten blocks.
Worksheet
Curated OER

Vertical Three-Digit Place Value Addition #2

For Students 2nd - 4th
For 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.
Worksheet
Curated OER

Vertical Three-Digit Place Value Addition #3

For Students 2nd - 4th
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.
Assessment
Illustrative Mathematics

Comparisons 1

For Students 2nd Standards
A seven question worksheet asks learners to use place value strategies to decide if each number comparison is true or false.
Worksheet
Curated OER

Calculator Activity: Ones, Tens, Hundreds

For Students 3rd - 4th
In this calculator activity instructional activity, learners learn to use a calculator to add numbers. Students add the numbers in column A to column B and then look for the answer that matches in column C. One answer is missing and...
Lesson Plan
Curated OER

Tic-Tac-Place Value

For Teachers 1st
First graders explore how to write, read, and identify three-digit numbers.
Assessment
Illustrative Mathematics

Making 124

For Students 2nd Standards
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.
Lesson Plan
Curated OER

Area Model of Multiplication Using Base 10 Manipulatives

For Teachers 3rd - 5th
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...
Printables
Curated OER

Expanded Notation Poster

For Teachers 3rd - 7th
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.
Worksheet
Curated OER

Regroup Hundreds homework 22.3

For Students 2nd - 3rd
In this subtraction with regrouping worksheet, students observe a problem showing place values, subtracting steps, regrouping, and the difference, and apply the example to solve three-digit subtraction problems. Students solve thirteen...
Lesson Plan
Curated OER

Color Me Red If I Am a Ten

For Teachers K - 1st
Students count aloud by tens. They use a number chart to color in every number that ends in a zero and then participate in choral counting by tens.
Lesson Planet Article
Curated OER

Teaching Place Value

For Teachers 2nd - 4th
Utilizing mathematical literature and games are two excellent ways to introduce and teach place value.
Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying)—Three Digits 1

For Students 1st - 2nd Standards
In this column, students solve 13 problems by adding three digits without carrying the worksheet. They add the ones, then the tens, and then the hundreds of columns.
Lesson Plan
Curated OER

Calc-You-Late Magnitudes

For Teachers 1st
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...
Lesson Plan
Curated OER

Understanding number to 100

For Teachers 3rd - 5th
Students research equivalent representations of numbers using the base 10 system. In this Base 10 lesson plan, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.
Lesson Plan
Curated OER

How Many Cards Do We Need to Display the Dates of the Month?

For Teachers 3rd - 4th
Students complete activities to study the concept of place value notation. In this place value lesson, students use cards for the days of the month that only number from 1 to 9. Students find a subtraction pattern to determine the amount...
Lesson Plan
Curated OER

Two-Digit Subtraction With and Without Regrouping

For Teachers 2nd
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
Assessment
Illustrative Mathematics

Regrouping

For Students 2nd Standards
What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.
Lesson Plan
Curated OER

Rounding Decimals

For Teachers 4th
Fourth graders engage in a instructional activity that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections...
Lesson Plan
Curated OER

Ordering Greater Numbers

For Teachers 3rd
Third graders identify the place value of greater numbers. In this number sense lesson, 3rd graders use a place value chart to properly write a specific number. Students read the number and use the place value map for reinforcement.
Lesson Plan
Curated OER

Who Needs Numbers?

For Teachers 3rd - 5th
Students identify whole numbers through the one millions place. For this place value lesson, students read the book The Day Without Math and use place value mats to create numbers to the millions place. Students use base ten blocks...