Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Curated OER
Divisibility
In this division worksheet, students find the divisibility of whole numbers. Students fill-in a chart of numbers indicating whether they are divisible by other numbers.
Curated OER
My Test Book: Properties of Whole Numbers
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding the properties of whole numbers and order of operations. Students may submit their answers to be scored.
Curated OER
The Multiplier (origin of the algorithm)
Students explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.
Mathematics Assessment Project
Cross Totals
Finally, it all adds up. Learners complete a number puzzle in which they investigate the sums of the digits one through nine in a cross pattern. They then try to determine what totals are possible and which ones are not before devising a...
Curated OER
Math Review Questions
In this problem solving worksheet, students calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
Justin Holladay
5 Dice: Order of Operations Game
Sometimes the simplest ideas can be the most challenging to solve! In this app, you are given five numbers and a set of operators, and you need to create an expression that when evaluated using the order of operations simplifies as the...
Curated OER
Basic Math Decimals 1
In this addition of decimals activity, students add numbers up to 4 digits that contain decimals. Students complete 16 problems on this activity.
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Expanded Form (R)
In this numbers in expanded form practice worksheet, students examine 12 three-digit numbers and then write them in expanded form.
Curated OER
Bug Bite
In this addition worksheet, students add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
Curated OER
Multiplication With Decimals
In this multiplying decimals worksheet, students solve 24 multiplication problems. Each problem has a decimal being multiplied by a two or three-digit number.
Curated OER
Math in English Skills III Exercise Book: Understanding Fractions
Fractions can be tricky, and there is no better way to tackle tricky topics than with a visual representation. Intended for learners in grades two and three, this set of printable worksheets provides a variety of fractions represented in...
Curated OER
Detective Digis and the Computer Caper
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Curated OER
Place Value: Numbers to 9,999
In this place value practice worksheet, learners fill in the missing numbers in the 6 place value sequences. In addition, students write 4 expanded form numbers as standard form numbers and write 4 more numbers using words.
Curated OER
Measurement
Young scholars use arithmetic in a practical situation using time and distance.
As the calculations involved in this problem involve single digit addition and multiplication it offers a good opportunity to encourage the students's use...
Curated OER
Roman Numerals
In this Roman numerals learning exercise, students complete a cross-puzzle after figuring out how to write 8 three digit numbers in Roman numerals.
Curated OER
Base 10 Rounding
Students build two, three, and four digit numbers using base ten blocks and round those numbers. In this rounding numbers lesson, students work in pairs and build numbers using base ten blocks.
Curated OER
Order Of Operations
In this order of operations worksheet, learners complete 20 problems containing addition, subtraction, multiplication, and division with one and two digit numbers.
Curated OER
Ten Cards Game
In this cards game, students play a card game in three rounds. In the first round, the student's objective is to gather the largest sum of cards. For round two, students try to gather cards to equal a sum of 50. In the third round,...
Curated OER
Estimation in Multiplication
In this math worksheet, students multiply single digit numbers by two and three digit numbers. Students estimate by rounding the largest number to its leading digit. Students complete two word problems that illustrate applications of...