Curated OER
Understanding Place Value
Fifth graders study place value. After forming teams, they play a game called, "Who Can Line Up the Number." Students observe numbers in expanded form and place representative digits in the correct order.
Curated OER
Math Skills Review
In this math skills review activity, 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...
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
Groups of Ten Tens
For 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.
Curated OER
Block Heads
Learners demonstrate whole numbers through one thousand using base ten blocks. They model and describe given numbers using ten blocks.
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.
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
Calculator Activity: Ones, Tens, Hundreds
In this calculator activity worksheet, students 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 students must...
Curated OER
Tic-Tac-Place Value
First graders explore how to write, read, and identify three-digit numbers.
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
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...
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.
Curated OER
Regroup Hundreds homework 22.3
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...
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Color Me Red If I Am a Ten
Learners 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.
Curated OER
Teaching Place Value
Utilizing mathematical literature and games are two excellent ways to introduce and teach place value.
Math Salamanders Ltd.
Column Addition (No Carrying)—Three Digits 1
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.
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...
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Understanding number to 100
Students research equivalent representations of numbers using the base 10 system. In this Base 10 lesson, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.
Curated OER
How Many Cards Do We Need to Display the Dates of the Month?
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...
Curated OER
Show Me the Number
Second graders develop the ability to show two-digit numbers using place value attributes in the early additive stage five. They utilize the manipulative's of sticks, rubber bands, counters, small canisters and uni-link cubes to assist...
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Two-Digit Subtraction With and Without Regrouping
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.
Illustrative Mathematics
Regrouping
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.
Curated OER
Rounding Decimals
Fourth graders engage in a lesson 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 with the skill.