Curated OER
Adding Animals
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
Curated OER
Adding Dice
Roll the dice! These addition number sentences are for beginning mathematicians, and each addend is displayed on a die. Learners add up two or three single-digit addends to find eight sums in the first half of this worksheet. Next, they...
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Curated OER
Adding Fractions
It's all here: uncommon denominators, reducing, improper fractions...mathematicians have their hands full as they complete 16 fraction addition problems. There are two examples showing them the steps required, and each problem guides...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
Curated OER
Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
American Chemical Society
Using Chemical Change to Identify an Unknown
If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...
Curated OER
Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Curated OER
Early Mental Math: Practice
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
Curated OER
Sums to Ten
In these addition worksheets, students add the 1 digit numbers that have sums to 10. Students solve 100 single digit addition problems.
Curated OER
Add and Subtract Decimal Ten Thousandths (A)
In this mathematics worksheet, learners solve a number of problems by adding and subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
Curated OER
Divide or Multiply by 10
Help your kids see what happens when you multiply or divide any number by 10. As they work through this slide-show, they will multiply or divide each number by 10 as indicated. Discuss what patterns they see, what happens to each number....
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Illustrative Mathematics
$20 Dot Map
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than...
Curated OER
Mental Math: Adding 10s
To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...
Math Learning Center
Grade 2 Supplement Set A6 – Number and Operations: Money
Young scholars get familiar with money during this series of engaging math activities. A game has class teams accumulating money and using symbol and number cards to display their total amount correctly on a pocket chart. All the symbol...
Curated OER
Mental Arithmetic--Adding to Thousands
In this adding to thousands worksheet, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method they used to...
Curated OER
Adding Up to Ten
In this addition worksheet, 1st graders write the missing numbers to make an equation that is equal to 10. They count the number of yellow caterpillars to determine the first addend, and count the number of pink caterpillars to determine...
Curated OER
Number Bonds to 100
In this mathematical number bonds to 100 activity, learners problem solve ninety equations by adding in a number in each bland when added to the other number equals the answer given.
Conflict Resolution Education Connection
10 Lessons for Teaching Conflict Resolution Skills
Promote responsibility and camaraderie with 10 lessons on conflict resolution. Learners define conflict and teach ways to resolve it. Each lesson provides an activity and scenario for role play, and lends itself to discussion among...
Curated OER
Ten More, Ten Less
In this number 10 worksheet, students solve 6 word problems, either adding or subtracting 10. Word problems are "picture problems."
Curated OER
Adding Tens
Second graders explore and discuss adding 10 as they predict number patterns with the hundred chart. They work in pairs, groups choose a number, 1-9, and predict what happens if they add 10 to the number. Students make-a-ten strategy...