Curated OER
Addition and Subtraction Facts- Eleven Worksheets
In this addition and subtraction worksheet, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
Lane Community College
Review Sheets: Basic Mathematics 1
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Curated OER
Counting and Place Value
First graders use place value to practice counting, adding and subtracting using a phenomenological approach.
Curated OER
Adding With Whole Tens
In this addition activity, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities.
Curated OER
Subtracting From a Multiple of 10
In this subtraction worksheet, 2nd graders are instructed how to subtract two digit numbers from multiples of 10 by counting on. There are two pages with 10 problems on each page.
Curated OER
Adding Decimals with Hundredths
In this worksheet, students learn to add decimal numbers to the hundredths. Students first compare adding and subtracting decimals with the corresponding fractions in 6 problems. Then students add 35 decimal numbers mentally, filling out...
Curated OER
Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
Curated OER
Ten More or Ten Less
This set of problems has learners complete a variety of tasks as they practice adding 10 and subtracting 10. An apple tree with two apples isn't very fun; how about one with ten more? They draw the apples onto the tree and write the...
Lesson This!
Fraction Fruit
Discover the concept of fractions by using fruit as a model. Scholars discover fractions are part of a whole, similar to the pieces of fruit which are placed in front of them. They then cut up several different types of fruit and discuss...
Illustrative Mathematics
The Napping House
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts instructional activity. Following along with a reading of the children's book The Napping House by Audrey Wood, young...
EngageNY
The Geometric Effect of Some Complex Arithmetic 2
The 10th instructional activity in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary...
CK-12 Foundation
Rational Numbers in Applications: Batch of Brownies as Rational Numbers
Sharing is caring—especially with brownies! Young mathematicians use an interactive to split a batch of brownies between several friends given constraints. They answer some challenge questions to check that each friend has the correct...
EngageNY
Mid-Module Assessment Task: Grade 6 Math Module 2
Make sure scholars know all about fractions and decimals — not just a fraction of the information. The 12th installment of a 21-part series is a mid-module assessment. Learners solve problems in the context of a birthday party and a...
EngageNY
End-of-Module Assessment Task: Grade 6 Math Module 2
Give learners a chance to shine. The last installment of a 21-part series is an end-of-module assessment. Scholars show their understanding of operations with decimals and division of fractions by solving problems in the context of a...
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100
In this addition and subtraction activity, students solve 10 problems in which two digit numbers are added or subtracted. Problems are in a horizontal format and may need to be rewritten. This is an online interactive activity that can...
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100: Part 2
For this online interactive math worksheet, students complete the equations by adding or subtracting using the number one hundred. Students may access the correct answers and their scores by clicking submit.
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100: Part 3
For this online interactive math worksheet, students complete the equations by adding or subtracting using the number one hundred. Students may access the correct answers and their scores by clicking submit.
Helping with Math
Fractions: Subtracting Mixed Numbers (Different Denominator)
If your math magicians have mastered adding and subtracting with uncommon denominators, here is a challenge: subtract mixed numbers with uncommon denominators. The values are pretty easy to work with, so this would be appropriate for...
Curated OER
Ten More or Ten Less
Adding and subtracting 10 is easy once you understand the tricks! Learners first write numbers that are ten more than two double-digit numbers. Then, they find numbers ten less than two other double-digit numbers. An explanation on the...
PB Works
Numbers Lesson 3 - Hershey Bar Fractions
Talk about delicious math! Pupils solve problems involving rational numbers and analyze real-life problems to find solutions in a pre-algebra class. They discuss the sections of a Hershey's bar in terms of fractions and decimals before...
Curated OER
Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Curated OER
Add and Subtract Decimal Thousandths (E)
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Curated OER
Subtracting Integers
In this subtracting integers activity, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.