Worksheet
Curated OER

Time to Trick-or-Treat!

For Students 2nd - 4th
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
Unit Plan
Curated OER

Curriculum Links To Numeracy

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (9)

For Students 3rd - 5th
In this adding and subtracting fractions and mixed numbers activity, students solve 10 problems that require them to add and subtract mixed numbers and fractions.
Worksheet
Curated OER

Ten More, Ten Less

For Students 2nd - 3rd
In this number 10 worksheet, students solve 6 word problems, either adding or subtracting 10. Word problems are "picture problems."
Worksheet
Houghton Mifflin Harcourt

Mental Math: Subtract Tens - Homework 12.1

For Students 1st - 3rd Standards
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
Worksheet
Curated OER

Today's Number

For Students 2nd - 3rd
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.
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 1st - 3rd
Learners investigate U.S. currency by pretending to buy food.  In this money lesson, students discover the vocabulary and value for each U.S. coin, then add the amounts in dollars and cents of food items they wish to purchase....
Worksheet
Maths Blog

Adding/Subtracting Whole Numbers in Your Head

For Students 2nd - 3rd Standards
Exercise those mental math muscles! This learning exercise contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy...
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
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!
Worksheet
Curated OER

Problems Using Time

For Students 3rd - 4th
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
For this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Worksheet
Curated OER

Adding Decimals; Ten Thousandths

For Students 3rd - 5th
In this math worksheet, students add and subtract using decimals in the ten thousandths place. Students complete 32 horizontal problems, writing the answers in the space provided.
Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
Worksheet
Curated OER

Two Digit Addition and Subtraction (T)

For Students 2nd - 3rd
In this two digit addition and subtraction worksheet, students add and subtract two digit numbers. Students complete 49 two digit addition and subtraction problems to find the sum.
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 2nd - 3rd
In this math worksheet, students solve problems involving money. The first problem has four questions that guide the student through the problem solving process. The final four problems are computation problems involving money, but are...
Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Worksheet
Curated OER

Add Groups of Ten

For Students 2nd - 3rd
In this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Worksheet
Curated OER

Subtraction: Number Square

For Students 1st - 3rd
In this subtraction activity, students use a hundred chart to find the differences. In this short answer activity, students solve ten problems.
Worksheet
Noyce Foundation

Apple Farm Field Trip

For Students 1st - 3rd Standards
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Worksheet
DK Publishing

Money Word Problems #1

For Students 2nd - 4th Standards
Having money problems? How about 19 more? Scholars begin with 10 money-related word problems, some requiring they understand different coin values. They add and subtract for these, and although there are also opportunities for division...
Printables
Curated OER

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Worksheet
Curated OER

Checking Subtraction with Addition and Writing Number Sentences

For Students 3rd - 4th
In this math instructional activity, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Worksheet
Curated OER

Completing the Next Hundred

For Students 3rd - 5th
In this hundreds learning exercise, students fill in the missing addend and complete the hundred numbers at the end of the problems. Students complete 3 sets of problems.
Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson plan. Using the coding formula listed, children learn to fluently estimate and...