Curated OER
Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Addition
Each of these addition equations involves two addends that are multiples of 10. Although there isn't any regrouping necessary, some of the sums are three-digit. The first 16 of these 28 equations are vertically oriented and the second 12...
Illustrative Mathematics
Number of the Day
Daily routines not only help to manage classrooms, they can also provide students 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
Mentally Add and Subtract 10 or 100
Here are some number lines that need to be completed. There are two number sequences, one to test addition skills and the other for subtraction. Both sequences include counting by 10, but the subtracting question has scholars count...
Curated OER
Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
Curated OER
A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics lesson for the second grade classroom. The lesson includes resource links, video clips, interactive websites, and a section for pre-lesson...
Curated OER
Everyday Mathematics: Counting Up
In this counting up worksheet, young scholars learn strategies to help them solve problems involving change. Students study a number grid and number line to help them count up to make change.
Alabama Learning Exchange
Coins to Bills!
Students practice using money at a grocery store. For this money lesson, students get familiar with grocery store ads and work in pairs to use these ads to select food items to purchase using money manipulatives. Students practice being...
Curated OER
Finding Patterns with the Hundreds Chart
Students review their numbers up to one hundred. Using a chart, they compare and predict patterns that might be in the numbers. They practice skip counting and grouping numbers. Using a spreadsheet, they graph different sets of numbers...
Curated OER
Money for starters
Students compare the values of coins and paper money. They read prices, read and write any 2-digit number. They model and explain addition calculations with a sum of up to 20.
Curated OER
Meba Math (K-1)
Students work with counters and math mats to demonstrate number concepts. For this number concept lesson, students use cubes and configuration cards to show more or less than given numbers.
Curated OER
Places, Places, Everyone
First graders play the game Show Me and use math software to practice place value.
Alabama Learning Exchange
Money Management
Learners discuss the differences between needs and wants, practice budgeting resources and investigate the workings of a capitalist society, by creating a mock store.
Alabama Learning Exchange
Pat Brisson's Benny's Pennies
Learners listen to the book, "Benny's Pennies" and conduct math and language arts lessons to go along with the book. They demonstrate their ability to count pennies, understand proper sequence, and rewrite a story using different...
Curated OER
The Hundreds Board
Pupils explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
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
Fraction Strips on Excel
Sixth graders create three different sets of fraction strips using Excel by following a packet of instructions that taper off as the students gain confidence in their knowledge of Excel. They copy and paste the strips into Word so that...
Khan Academy
Khan Academy: Adding 1s or 10s (No Regrouping)
In this exercise, students practice adding 1s or 10s (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Starfall
Starfall: Compose & Decompose Numbers
This learning game focuses on adding tens and ones to fill candy orders and deliver them.
AAA Math
Aaa Math: Adding Tens
This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.
Khan Academy
Khan Academy: Adding 1s and 10s Guided Practice
Find 1 more, 1 less, 10 more, or 10 less than a number.
Khan Academy
Khan Academy: Add 1s or 10s (No Regrouping)
Practice solving problems like 34+5 and 34+50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add 1s or 10s (No Regrouping)
Practice solving problems like 34+5 and 34+50.
Khan Academy
Khan Academy: Add 10s and 100s (No Regrouping)
Practice solving problems like 344+20 and 344+200. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.