It's About Time
Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases...
US Department of Agriculture
Serving Up My Plate
Within three nutrition-themed, inquiry-based learning opportunities, pupils take notice of their eating habits; delve deep into the five food groups, gain experience in planning meals, participate in a taste test, and explore ads...
Curated OER
Add 9 to a 2-Digit Number
In this addition worksheet, students add 9 to a series of 2-digit numbers and increase given numbers by 9. An answer key and website reference are given.
T. Smith Publishing
St. Patrick's Day Addition (Sums to 100)
For this Irish-themed math worksheet, your leprechauns solve 20 problems. All of them involve two-digit numbers added to two-digit numbers and require regrouping. Learners write their answers in a shamrock on the page which has a St....
Curated OER
How to Measure Time Worksheet
For this elapsed time worksheet, students read facts about time such as there are 60 seconds in 1 minute, and read tips for computing elapsed time both when going from am to pm, and within the morning or afternoon. They practice adding...
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
Curated OER
Add Nine to Two-Digit Number Year 3
In this finding the sums worksheet, 3rd graders add the numeral nine to two digit numbers using word problems, input forms, and number problems. Students solve 18 problems.
Curated OER
Joining (Addition); Money
Your pupils will know how to solve two different types of story problems with this worksheet practice. The first is a triple digit addition problem and the second is a triple digit addition adding money.
Illustrative Mathematics
Baseball Cards
Here is a resource that demonstrates growth and the initial state of an equation. For this case, your class will be looking at baseball collections. How many baseball cards did the collector start out with, and how many were added or...
Illustrative Mathematics
Kendall's Vase - Tax
Practice sales tax when using the activity with three solution choices. Learners can use a percent table, benchmark percent, or solve by calculating. Solutions don't show how to multiply by the decimal, but method can be added in....
Curated OER
Adding/Subtracting - More Than/Less Than
In this addition and subtraction worksheet, students answer the 20 questions on the page in which they are asked to write down a number that is one more or one less than the specified number. The answers are on the second page.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Math Doctor
Chapter 5: Decimal Notation
Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...
Curated OER
Working with Coins
Count the correct change with a money math worksheet! Given certain coins, second and third graders add and subtract amounts of money to find the correct change. The worksheet uses pennies, nickels, dimes, quarters, half dollars, and...
Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
Curated OER
What Must be Added?
In this addition activity, students write in the number that makes the addition operation correct. For example, they are asked what must be added to 555 to make 600. There are 15 questions on this page and the answers are on the second...
Curated OER
Five Minute Adding Frenzy (B)
In this addition review worksheet, students use their math skills to solve 100 problems that require them to find sums of the numbers in the columns and rows of the chart as quickly and accurately as possible.
Curated OER
Two-Digit Plus One-Digit Addition (B)
In this addition instructional activity, students solve 100 problems in which two digit numbers are added to one digit numbers, with and without regrouping.
Curated OER
Working With Negative Numbers: Adding and Subtracting with a Number Line
For this math worksheet, students practice addition and subtraction of positive and negative numbers using a number line to help. The 30 problems are written as questions in words.
Curated OER
Subtraction: Two Digit By One Digit With Regrouping
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Curated OER
Subtraction: One Digit from Two Digits With No Regrouping
In this subtraction learning exercise, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Curated OER
Adding Two- and Three-Digit Numbers
In this addition activity, 4th graders add together 13 two and three-digit numbers with two and three numbers in each addition math problem.
Curated OER
Adding 1 and 2 digit numbers
In this addition worksheet, learners add one and two digit numbers together to find a sum without regrouping. Students complete 200 problems.