Scholastic
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
Illustrative Mathematics
Making a Ten (Grade 1)
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.
Curated OER
Colors That Make 10 Worksheet
Only the clouds that make 10 should be colored in this visual worksheet 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...
Curated OER
Estimating Sums of Money
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...
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...
Print and Practice
Adding With Andy: Sums to 10
in this addition worksheet, students complete a set of 24 problems, adding problems with sums to 10. An answer key in included.
Curated OER
Addition Finding Sums of 10
In this addition worksheet, students solve a total of 20 problems adding 3 numbers by first finding sums of 10. A website reference for additional resources is given.
Curated OER
Addition Finding Sums of 10
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.
Curated OER
Addition with sums to 10
For this addition worksheet, students complete addition problems with sums to 10 with one digit numbers. Students complete 15 problems.
Shodor Education Foundation
InteGreat
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and midpoint...
Curated OER
Sums of 10
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.
Curated OER
Addition Facts to Ten
In this math worksheet, students learn to solve sums below 10. Students also learn the words "plus" and "sum" by solving 20 addition problems with words.
Curated OER
Connect to Make 10 Puzzle
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.
DK Publishing
Fishing for 10
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...
Curated OER
Facts of Five
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...
Mental Arithmetic
Number Bonds to 10
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.
Curated OER
Pairs That Make Ten
A very basic presentation on numbers that add up to ten. Learners are shown a number on a slide, and they must come up with the addend that will make a sum of 10 when they are added together. Not the greatest presentation in the world,...
Curated OER
Adding 10
A total of 50 basic addition problems are contained with in this worksheet. Your class can hone their math skills by adding 10 to a variety of numbers. Tip: When they are done have them discuss and identify any patterns they can find.
Curated OER
Find the Sums (Under 100)
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...
Curated OER
Using Addends and Sum/Using Subtrahend, Minuend, and Difference
What is an addend? What is a sum? Review this math terminology on the top half of the worksheet before practicing basic addition.
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math activity! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
Curated OER
Sums of 10
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.
Curated OER
Addition with sums to 10
In this addition worksheet, students solve problems with one digit numbers with sums up to 10. Students complete 12 problems with cats on the page.