Curated OER
Write the Equations
In this writing equations to problem solve learning exercise, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
Curated OER
Do You Carry the Ball?
In this addition worksheet, learners add two digit numbers together with and without regrouping. Students complete 9 problems total.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
Curated OER
Pot of Gold Addition
In this money math worksheet, 2nd graders solve each addition problem and write the sum on the pot of gold pictured for each. They add money together to get their total amount for each problem.
Curated OER
Mental Math Blocks 3
In this math worksheet, students solve eleven math problems. These include finding the missing digits of an addition problem and solving a word problem about picking up pieces of trash.
Curated OER
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Curated OER
Animal Jr. Christmas Worksheet
For this Christmas animal math worksheet, students solve 36 single and double-digit addition problems and then follow the coloring key and color in each sum a different color.
Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
The School Store
Young scholars choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Young scholars then work in teams to...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Curated OER
Fun Math Worksheet
In this addition worksheet, students add three and four digit numbers together with and without regrouping. Students complete 15 addition problems.
Curated OER
Market Prices
Second graders understand that prices change. In this business, price and labor lesson plan, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
Curated OER
Chart Trivia
Learners practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
Curated OER
Olympic Games - Can You Measure Up?
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
Khan Academy
Khan Academy: Add 2 and 3 Digit Numbers (No Regrouping)
Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
NumberNut
Number Nut: Addition: 3 Digit Numbers
Three digit addition requires working from left to right and may require carrying. Follow the steps in the examples and then practice the skills with the two interactive activities.