Activity
Illustrative Mathematics

Making a Ten (Grade 1)

For Students 1st Standards
How many ways can first graders make a 10? Using an addition chart, learners color in the 10s on the table. They notice and explain the meaning of the pattern, and how to get to another sum of 10.
Worksheet
Mental Arithmetic

Number Bonds to 10

For Students K - 2nd Standards
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the worksheet allow for plenty of practice.
Worksheet
Curated OER

Sums of 10

For Students 2nd - 3rd
In this addition worksheet, students supply the missing addends necessary to arrive at the sum of 10. A website reference for additional resources is given.
Worksheet
Curated OER

Facts of Five

For Students K - 1st
This is a great math station partner game! Using the provided ten-frame cards, learners practice creating addition problems with a sum of 5. Each card has a number between 0 and 5, and pairs shuffle and lay out five of them. They take...
Worksheet
Curated OER

Addition Finding Sums of 10

For Students 2nd - 4th
In this addition learning exercise, students solve a total of 20 problems adding 3 numbers by first finding sums of 10. A website reference for additional resources is given.
Worksheet
Curated OER

Addition Finding Sums of 10

For Students 2nd - 3rd
In this addition worksheet, students solve a set of 14 problems using 3 numbers by first finding sums of 10. A website reference for additional resources is given.
Lesson Plan
EngageNY

Putting the Law of Cosines and the Law of Sines to Use

For Teachers 11th - 12th Standards
Use the Law of Cosines and the Law of Sines to solve problems using the sums of vectors. Pupils work on several different types of real-world problems that can be modeled using triangles with three known measurements. In the process,...
Worksheet
Curated OER

Colors That Make 10 Worksheet

For Students K - 1st
Only the clouds that make 10 should be colored in this visual activity for young mathematicians. They examine 12 clouds with addition problems (all single-digit addends), coloring only the ones with a sum of 10. There are five here that...
Worksheet
Math Stars

Math Stars: A Problem-Solving Newsletter Grade 6

For Students 4th - 7th Standards
Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...
Worksheet
Curated OER

Estimating Sums of Money

For Students 4th - 6th
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 2

For Students 2nd - 4th Standards
Develop the problem solving skills of your young learners with this collection of math newsletters. Covering a variety of topics ranging from simple arithmetic and number sense to symmetry and graphing, these...
Worksheet
Green Planet Solar Energy.com

Order of Operations 2 - More Practice!

For Students 5th - 7th
Your learners will get plenty of practice calculating expressions remembering to use order of operations in this worksheet.
Worksheet
Curated OER

Addition

For Students 1st - 2nd
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...
Worksheet
DK Publishing

Fishing for 10

For Students K - 1st Standards
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...
Lesson Plan
West Contra Costa Unified School District

Properties of Multiplication

For Teachers 3rd - 5th Standards
Unlock the keys to fluent multiplication with this upper-elementary math lesson. After an introduction to the five properties of multiplication, students match cards with different math problems to posters describing each...
Worksheet
Curated OER

Sums of 10

For Students 1st - 2nd
In this addition worksheet, students solve a total of 50 problems adding 10 to 1-digit numbers. A website reference for additional resources is given.
Lesson Plan
Bob Prior

The Order of Operations

For Teachers 6th - 8th Standards
Your learners use many different number representations like positive and negative integers, exponents, radicals, and combinations of operations as they learn and strengthen their use of the order of operations. Thoughtfully organized to...
Worksheet
Curated OER

Connect to Make 10 Puzzle

For Students 1st - 3rd
There are seven pairs of numbers here, each of which add up to 10. However, which ones should go together? Young mathematicians connect numbers to solve this puzzle, pairing all seven. This would work well with math manipulatives.
Worksheet
Curated OER

Odd Or Even Sums

For Students 2nd - 3rd
Build strong number sense through pattern recognition. Learners investigate whether the sum of each problem will be odd or even if they add certain combinations of numbers together. They complete 12 problems, adding odd+odd, odd+even, or...
Lesson Plan
Curated OER

Making a Ten

For Teachers 1st - 3rd Standards
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...
Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 4

For Students 4th Standards
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Worksheet
Curated OER

Find the Sums (Under 100)

For Students 1st - 2nd
All of these sums are under 100: learners practice with three types of addition problems, each with two equations. First, they add a double-digit and single-digit number. Then, scholars add two double-digit numbers, one being a multiple...
Worksheet
Curated OER

Consecutive Integers, Sum of 100

For Students 9th - 12th
In this secondary mathematics worksheet, students determine the number of sets of consecutive positive integers who have a sum of 100.  The one page worksheet contains one problem with the solution. 
Worksheet
Math Worksheets Land

Unknown Numbers in Sums and Differences

For Students 1st - 3rd Standards
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...