EngageNY
Grade 5 Math Module 1, Topic D, Lesson 9
Introduces addition of decimals by using unit notation to represent the problem. Pupils use a place value chart to decompose the numbers and then add before connecting to the standard algorithm.
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 10
Take a little bit away. The 10th section of an 18-part unit introduces subtraction of decimals. Scholars use a place value chart like they did with addition of decimals to organize and represent the problem. After using the place value...
Curated OER
Adding and Subtracting Fractions (B)
In this adding and subtracting fractions worksheet, students find the sums and differences of fractions with common denominators. Students solve 10 problems.
Curated OER
Adding and Subtracting Fractions (2)
Here is an adding and subtracting fractions instructional activity in which learners find the sums and differences of fractions with uncommon denominators. They solve 10 problems.
Curated OER
Adding and Subtracting Mixed Fractions (B)
Here is an adding and subtracting mixed numbers activity in which learners find the sums and differences of mixed numbers with uncommon denominators. They solve 10 problems.
Curated OER
Decimal Addition
Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...
Illustrative Mathematics
Dimes and Pennies
Help your fourth graders make cents out of fractions and decimals with this short word problem. After learning that dimes are one-tenth and pennies one-hundredth of a dollar, students write a fraction and decimal for a given number of...
Charleston School District
Estimating Values of Expressions
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Curated OER
How Much is it Worth?
Money makes everything a little more fun for your mathematicians! Show them how they can implement their addition skills in the real world using this worksheet. Scholars examine six sets of coins, which are photographed. They include...
Curated OER
Vertical Three Digit Place Value Addition 1
In order to add 3 digit numbers together and understand place value learners add to find the standard form. THere are 40 problems in which the hundreds, tens, and units are added to find a sum. Note: This format may confuse some children...
Curated OER
Adding and Subtracting Polynomials
Define, simplify, add, and subtract polynomials. Identify the degrees of a polynomial. Determine if a polynomial is a monomial, a binomial, or a trinomial. Then look at simplifying a polynomial by combining the coefficient values of like...
Curated OER
2-Dimensional Shapes: Adding Up Shapes
These pictures will cost you! Each shape is worth a money amount. Scholars use this value system to price four images composed of these shapes. There is an example to help them get started which demonstrates labeling each shape before...
Curated OER
Tens and Units
Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30. Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as tens and...
Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Curated OER
Place Value: Tenths
In this finding the sums of decimals worksheet, students read the groups of numbers and place values and write the totals as whole numbers and decimals. Students solve 20 problems.
Curated OER
Adding Blocks: Hundreds, Tens and Ones
In this adding blocks: hundreds, tens and ones activity, students count the blocks, write the numeral for hundreds, tens and ones, then write the total number of blocks.
Curated OER
Coin Values
In this coins activity, students find the values of coins and the totals of all the values added up together. Students complete 6 problems.
Curated OER
6: Adding with Negative Numbers
In this adding negative numbers activity, students solve three multi-part short answer problems. Students add negative integers. Students evaluate addition and subtraction expressions for given values.
Curated OER
Traditional Values vs. Modern Culture in the Asian Community
Students examine Chinese culture and values. They research the teachings of Confucius, create posters, write short stories, and analyze the history of and present state of gang culture through research, discussion, and writing.
Curated OER
Place Values-Adding
Learners find place value. For this place value lesson, students are shown examples on the board by their teacher. A ten-problem worksheet is included. Problems involve only the hundreds and ten thousands place.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Code.org
Binary Numbers
All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its place...
Curated OER
Counting and Place Value
First graders use place value to practice counting, adding and subtracting using a phenomenological approach.