Worksheet
Curated OER

Sums

For Students 2nd - 3rd
In this addition word problems worksheet, students read the problems, use mental math, and find the sums. Students solve five problems.
Lesson Planet Article
Curated OER

Making Math Practice a Game

For Teachers 2nd - 6th
Math games can make practicing skills fun and educational.
Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both....
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction With Regrouping

For Teachers 2nd
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2 lbs....
Worksheet
Math Salamanders Ltd.

Adding 1s, 10s, 100s, and 1000s

For Students 3rd - 4th Standards
In this addition activity, learners complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
Lesson Plan
Curated OER

The Part-Adder 2

For Teachers 3rd
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Lesson Plan
Curated OER

Using Math with Sale Papers

For Teachers 5th
Fifth graders estimate their results and then prove through calculations. For this math lesson, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
Worksheet
Curated OER

Place Value, Addition, and Subtraction

For Students 2nd - 3rd
In these math review worksheets, students complete several addition, subtraction, and place value problems. Students complete 17 problems.
Worksheet
Curated OER

Hidden Hundreds

For Students 2nd - 3rd
This is a great puzzle like challenge for your advanced learners. They are given 5 problems to solve, they must show how many ways they can make to provided number using the given numbers in the box. For example: To make 800 they need to...
Lesson Plan
Curated OER

Make it Easier-- Add, then Take

For Teachers 3rd - 4th
In this math worksheet, students learn a mental math strategy in addition called compensation. When adding a number such as 29, students learn to add 30, then take 1 away. Students solve 25 problems in which they round to the nearest...
Worksheet
Curated OER

Adding Decimal Fractions Mentally

For Students 3rd - 4th
In this decimal addition worksheet, students solve 14 problems in which decimal numbers to the tenths or hundredths place are added. Problems are in horizontal format and students are encouraged to add mentally.
Worksheet
Curated OER

Counting the Ways

For Students 2nd - 3rd
In this number sense worksheet, students use three ways to show a number: drawing a picture, making a grid or writing an addition sentence. There are 6 problems.
Worksheet
Curated OER

Addition and Subtraction as Inverse Operations

For Students 3rd - 4th
In this addition and subtraction worksheet, students work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem and vice...
Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Worksheet
Curated OER

A Shopping Spree!

For Students 2nd - 3rd
In this adding prices of items worksheet, students choose items and add their totals using mental math, paper and pencil, and the calculator.
Worksheet
Curated OER

Mental Division Year 4

For Students 3rd - 4th
For this finding the quotients in word problems worksheet, students divide two-digit and three-digit numbers by one-digit numbers and find the factors of numbers. Students solve 12 problems.
Worksheet
Math Salamanders Ltd.

Addition - Up to 12 Sheet 3

For Students 1st - 2nd Standards
In this addition learning exercise, students add two numbers that will equal up to 12. In these 12 questions, the addition problem is set up side by side.
Worksheet
Math Salamanders Ltd.

Addition - Up to 12 Sheet 7

For Students 2nd - 3rd Standards
In this worksheet, students practice their addition facts by filling in the missing numbers in each box.
Worksheet
Math Salamanders Ltd.

Addition - Up to 12 Blank Grid

For Students 2nd - 6th Standards
In this addition worksheet, students fill in numbers up to 12 on the horizontal and vertical sides of the grid and solve the addition problems.
Worksheet
Curated OER

Addition - Up to 20 Sheet 1

For Students 2nd - 3rd Standards
For this addition worksheet, students practice their addition with one- and two-digit numbers. Students complete the worksheet by solving twenty-five addition problems.
Worksheet
Math Salamanders Ltd.

Addition - Up To 20 Sheet 6

For Students 1st - 2nd Standards
In this addition worksheet, learners use their knowledge of addition facts to fill in the missing numbers in two addition charts.

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