Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...
Printables
2
2
Curated OER

What Time Is It? File Folder Game

For Teachers Pre-K - 2nd
Use a manila folder to make a clock game with these adorable time-related printables. The materials include an analog clock and a digital clock with all the related equipment, such as clock hands and numbers. Laminate or make the movable...
Worksheet
Curated OER

Subtraction - Numbers to 19 ( 3 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit number.
Worksheet
Curated OER

Addition Word Problems #2

For Students 2nd - 3rd Standards
Expose scholars to the ways addition is constantly used through 15 word problems. Many of these have more than two addends, and several involve money math and adding numbers with decimals to the hundredths place. Learners also must use...
Worksheet
National Security Agency

Go One-on-One with Decimals

For Students 4th - 5th Standards
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
Lesson Plan
Armory Center for the Arts

Place Value Collage

For Teachers 3rd Standards
How can art represent math? Use a lesson on place value collages to illustrate the different meanings that numbers have in their designated places. Kids observe photographs and paintings that show place value, then work on their own.
Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
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.
Lesson Plan
Alabama Learning Exchange

Yummy Apples!

For Teachers K - 2nd Standards
Young learners listen to a read aloud of Gail Gibbons book, Apples and the story A Red House With No Windows and No Doors. They compare characteristics of a number of kinds of apples, graph them and create a apple print picture. Learners...
Worksheet
Curated OER

Mentally Add Two 2-Digit Numbers pg. 1

For Students 4th - 6th
Mental math addition is the focus of this instructional activity. Students apply a strategy outlined in the instructional activity to find the sums. In this instructional activity, students find the answers for twenty problems. Answers...
Worksheet
Curated OER

Two-Digit by Two-Digit Tenths (D)

For Students 4th - 6th
In this finding the product worksheet, students multiply two-digit numbers times two-digit tenths and add a decimal to the answers. Students solve 49 problems.
Worksheet
Curated OER

Add One-Digit Numbers to Two-Digit Numbers

For Students 2nd - 3rd
In this addition with carrying instructional activity, students solve 7 problems in which two digit numbers are added to single digit numbers with carrying.
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
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...
Worksheet
Curated OER

More Addition

For Students 4th - 5th
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Lesson Plan
Curated OER

All Kinds of Numbers

For Teachers 1st
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
Worksheet
Curated OER

Easter Eggs in a Basket - Sums to 18 (B)

For Students K - 1st
In this single digit addition review instructional activity, students use their math skills to solve 20 problems that require them to add 1 digit numbers.
Worksheet
Curated OER

Add Whole Numbers

For Students 4th - 5th
For this addition worksheet, students solve 6 problems in which larger numbers will be added with carrying. These are story problems. Students write the number sentence needed and solve.
Assessment
1
1
Balanced Assessment

Number Trick

For Students 9th - 12th Standards
Show your classes the magic of numbers. Using a number trick, learners practice writing algebraic expressions. They then use their expression to perform the trick. Their exploration should help them understand the magic behind the trick.
Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 3rd
Get some good practice with triple-digit addition and subtraction with these 10 problems. Only one addition problem requires regrouping, and none of the subtraction problems require borrowing. Question four turns into a four-digit...
PPT
Curated OER

Multiplication PowerPoint

For Teachers 3rd - 4th Standards
Providing a step-by-step explanation of two-digit multiplication, a list of vocabulary words associated with this concept, and great examples, this resource would be a terrific classroom addition. Besides the set of of simple...
Worksheet
Curated OER

Picture It

For Students 2nd - 3rd
In this story problem worksheet, students answer short answer question about a story problem. Students complete 6 questions about a story problems with 1 digit numbers.
Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Lesson Plan
Primary Junction

Adding Tens

For Teachers 1st - 4th Standards
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...