Primary Resources
Number Bonds to 20
Kids can add their way to 20 with this cute bug-themed presentation. Each slide contains an addition sentence that adds up to 20 and various insect images for little learners to count. It's a highly visual resource that can be used...
Curated OER
The Hundreds Place
Observe numbers in four different forms. Scholars become more familiar with place value as they match the numbers on the left with those on the right. The twist is that the numbers are shape-shifting! Some are in expanded form, others...
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
EngageNY
Base 10 and Scientific Notation
Use a resource on which you can base your lesson on base 10 and scientific notation. The second installment of a 35-part module presents scholars with a review of scientific notation. After getting comfortable with scientific...
Code.org
Number Systems
Generating a system of shapes. Groups work together to create a number system using three different shapes as symbols. The groups should come up with the rules that generate all the possible permutations of the three shapes.
Curated OER
Dividing and Finding Remainders, 2-Digit Numbers #5
Could your fourth graders use a little more practice solving division problems with remainders? Use this comprehensive math worksheet, which contains three sections of division problems. The first section presents the problems in...
Curated OER
Multiplication Drills, Part 5
Challenge your young mathematicians with a activity, which features 30 problems with one and two-digit numbers. The examples at the top of the page remind third graders how to complete the problems. Use all 30 problems, or cut each row...
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
Curated OER
Venn Diagrams, Part 3
Can your first graders interpret Venn diagrams? Different sets of clues help pupils narrow down a specific number in different shapes. They determine odds and evens, greater than or less than, and what shape the number is in. A fun...
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes...
Curated OER
Mixed Numbers and Decimals
Mixed numbers made easy! Use a worksheet on fractions and decimals to help your fourth graders master converting mixed numbers to decimals - and vice versa. They work on mixed numbers and decimals, and then convert three fractions into...
Curated OER
Subtraction Tables
With several numbers already filled in, this math activity is sure to help your first graders with their subtraction. Three grids prompt learners to finish certain subtraction problems and fill in the answers. A great way to reinforce...
Curated OER
Working with 10s and 1s, Part 2
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
Curated OER
Reading and Writing Numbers
Review numerals and written numbers. Here is a worksheet that features four sections of problems for youngsters to figure out. They write out eight 3-digit numbers, and provide 3-digit numerals for eight written numbers. A great way to...
Curated OER
Understanding Place Value #2
Review place value with three sets of problems. Second graders first identify the value of 5 in eight different numbers; they then circle the numbers with specified place value. Finally, they change certain digits of numbers and write...
DK Publishing
Learning Place Value
A great quiz for your place-value unit! Once your first graders have mastered the 1s, 10s, and 100s place values, assess their learning with these questions. Three sections prompt pupils to provide the number in certain places, and the...
Curated OER
Adding Bigger Numbers: 2 and 3 Digit Numbers
Challenge your young learners with an addition worksheet, which provides different opportunities to practice adding two and three-digit numbers. The first two sections provide twelve problems for pupils to solve, while the last two...
Curated OER
Division with Remainders #2
Unite your fourth graders with division practice! Two examples of dividing one digit numbers into three digit numbers demonstrate how to come up with remainders. Math students complete the nine problems on the worksheet. Use this...
DK Publishing
More Multiplication Practice, 1-Digit by 3-Digit Numbers
Expand your fourth graders' multiplication skills with 20 basic problems. Once kids finish the math drills, they work on two word problems at the bottom of the page. Use the resource as a homework assignment or quick in-class assessment....
Curated OER
Multiplying Larger Numbers by 1-Digit Numbers
Introduce multiplication with large numbers to your fourth grade class. A straightforward worksheet provides three and four-digit numbers, multiplied by one-digit numbers, to help transition your learners into more difficult...
Curated OER
Ordering Large Numbers: Numbers up to 9,200,000
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
Curated OER
Place Value for Whole Numbers
Work with small and large numbers alike with a place-value activity. After writing the value of selected numbers, fourth graders write what happens to each number if they change certain parts of it.