Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
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...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 9
Introduces addition of decimals by using unit notation to represent the problem. Pupils use a place value chart to decompose the numbers and then add before connecting to the standard algorithm.
Curated OER
Study Buddies: Multiplying by Two-Digit Numbers
Learners solve a multiplication problem in which they must multiply two 2-digit numbers with the help of a "Coach". Pupils follow a step-by step process and notes are provided for the coach.
EngageNY
Even and Odd Numbers
Even or not, here I come. Groups investigate the parity of products and sums of whole numbers in the 17th lesson in a series of 21. Using dots to represent numbers, they develop a pattern for the products of two even numbers; two odd...
Curated OER
One Digit Addition: Adding 5 and 6
In this one digit addition worksheet, students add one digit numbers to numbers 5 and 6. Students complete 18 problems and match them to their answers.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Big Boats Up The River
Using boats along in the Port of Albany as the focus, learners practice adding single-digit numbers and interpreting data. This lesson plan comes with the worksheets, resource links, and other materials to make it a worthwhile experience.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Adding 0 Practice #1
For this addition worksheet, students find the sums to 35 single digit, vertical addition problems in which 0 is an addend. They add the numbers 1 through 9 to 0.
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
Curated OER
Problem Solving - Adding Whole Numbers
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
Curated OER
Addition of Three Single-Digit Numbers (B)
In this addition of 3 single numbers review worksheet, students use problem solving skills to solve 54 problems that require them to add 3 single digit numbers.
Curated OER
Study Buddies: Dividing Two-Digit Numbers
In this math worksheet, young scholars will works with a coach to solve a story problem in which they must divide a two digit number by a single digit number. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Two-Digit Plus One-Digit Addition (A)
In this math worksheet, young scholars solve 100 problems in which 2 digits are added to one digit numbers. Example: 44 + 9. Problems are written in a vertical format and are closely spaced.
Illustrative Mathematics
Number of the Day
Daily routines not only help to manage classrooms, they can also provide learners with rich opportunities for learning. This activity supports young learners in developing their number sense by counting up the school days on a class...
Curated OER
Multiple Patterns
Second graders utilize a 1-100 grid to identify multiples of single digit numbers. They look for patterns and how they could be used to identify multiples to demonstrate the ability to use the multiplication facts and charts of single...
Curated OER
Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.