Curated OER
Adding Decimals
Explore the practical uses of adding numbers with decimals as scholars add measurements and money. The first 12 equations are written vertically with half the sums requiring a dollar sign and half a unit of measurement. The next six are...
Curated OER
Counting and Place Value
First graders use place value to practice counting, adding and subtracting using a phenomenological approach.
Curated OER
Place Values - Word Problems
Students explore the concept of place value word problems. In this place value word problem lesson, students determine the place value of a digit in a number.
Curated OER
Place Value and Subtraction With Regrouping
In this place value and subtraction worksheet, students place pennies in the chart and use them to put numbers in the correct place value and subtract. Students use the pennies as ones and use them in regrouping.
Curated OER
Place Value: A Place for Apples
Second graders explore number values by completing math worksheets. In this place value lesson, 2nd graders identify the use of decimals in numbers and read a book about math called Apple Pigs. Students create number charts based on the...
Curated OER
Place Value: Making Change with Canadian Money
In this place value: making change with Canadian money worksheet, students use a spreadsheet and certain coins to practice and record how much change would be given from a $5 bill. A parent or tutor adjusts the questions to the child's...
EngageNY
Adding and Subtracting Polynomials
Need a unique approach to adding and subtracting polynomials? A helpful math lesson approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore, they should...
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Curated OER
Practice Writing Three-Digit Numbers
This online interactive activity defines what two-digit and three-digit number are and the place values found in each. A practice activity helps build proficiency with this skill by having learners fill in the 21 blanks with the...
K-5 Math Teaching Resources
2-Digit Addition Template
Learning two-digit addition isn't about memorizing steps, it's about understanding place value. Support the development of your class's number sense with these addition mats that help children break apart two-digit numbers into tens and...
Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Morning Math
It's never too early for math! Use these morning math problems to get learners reviewing past concepts and staying sharp on newer ones. The 16 warm-ups include skills such as counting by 10, adding in a word problem, decomposing numbers...
Curated OER
Dividing by 10
Multiplication and division become much easier when mathematicians are dealing with the number 10 as a factor or divisor. Use the examples to get scholars noticing number patterns if they haven't already learned this. They divide 20...
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
Decimal Addition
Use this guided set of equations to help scholars add double-digit numbers with decimals. They examine two examples before trying these on their own, many of which require regrouping. All of these have decimals to the hundredths place....
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...
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
Addition With Place Value
In this addition worksheet, students solve 8 problems in which two digit numbers are added by breaking down each number into tens and ones. There are detailed examples.
Scholastic
Study Jams! + and - Without Regrouping
Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...
Curated OER
Places, Places, Everyone
First graders play the game Show Me and use math software to practice place value.
Curated OER
Addition: Up to 2-Digits Using Place Values
In this addition worksheet, students solve 9 problems in which two digit numbers are added with no regrouping. Students rewrite an addition sentence that is in horizontal format and stack the numbers in a place value chart.