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Curated OER
Sums
In this addition word problems worksheet, students read the problems, use mental math, and find the sums. Students solve five problems.
Scholastic
Adding and Subtracting Ten
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...
Curated OER
Adding Up
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....
Curated OER
Three-Digit Addition and Subtraction With Regrouping
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...
Curated OER
Estimate, Solve, and Check
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...
Curated OER
All A-buzz About Math
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....
Math Salamanders Ltd.
Adding 1s, 10s, 100s, and 1000s
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...
Curated OER
The Part-Adder 2
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...
Curated OER
Using Math with Sale Papers
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.
Curated OER
Place Value, Addition, and Subtraction
In these math review worksheets, students complete several addition, subtraction, and place value problems. Students complete 17 problems.
Curated OER
Hidden Hundreds
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...
Curated OER
Make it Easier-- Add, then Take
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...
Curated OER
Adding Decimal Fractions Mentally
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.
Curated OER
Counting the Ways
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.
Curated OER
Addition and Subtraction as Inverse Operations
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...
Curated OER
Addition and Subtraction Pick n Mix 2
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...
Curated OER
A Shopping Spree!
In this adding prices of items worksheet, students choose items and add their totals using mental math, paper and pencil, and the calculator.
Curated OER
Mental Division Year 4
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.
Math Salamanders Ltd.
Addition - Up to 12 Sheet 3
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.
Math Salamanders Ltd.
Addition - Up to 12 Sheet 7
In this worksheet, students practice their addition facts by filling in the missing numbers in each box.
Math Salamanders Ltd.
Addition - Up to 12 Blank Grid
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.
Curated OER
Addition - Up to 20 Sheet 1
For this addition worksheet, students practice their addition with one- and two-digit numbers. Students complete the worksheet by solving twenty-five addition problems.
Math Salamanders Ltd.
Addition - Up To 20 Sheet 6
In this addition worksheet, learners use their knowledge of addition facts to fill in the missing numbers in two addition charts.