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Curated OER
Value of X
In this missing addend worksheet, students find the value of x that represents a number in addition problems. Students complete 10 problems total.
Curated OER
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
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...
Math Salamanders Ltd.
Addition - Up to 12 Sheet 4
In this addition worksheet, students solve horizontal addition problems. They count on to find the missing addend.
Curated OER
Study Buddies: Averages
For this math worksheet, students will work with a coach to find the average of three bowling scores. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Add Groups of Ten
In this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Adding Two Numbers
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Curated OER
Adding it Up!
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
Curated OER
Number Wall
Use the number wall to practice addition, evens and odds, missing addends, and doubling. Learners answer various questions based on six numbers, filling in squares with digits. They list the odd numbers and total them, then list the even...
Curriculum Corner
St. Patrick's Day Themed Math and Literacy Practice
Look no further for St. Patrick's Day-themed math and literacy practice worksheets. Math skills allow for practicing counting to 100 by 5s, 10s, and 1s, as well as 10 more or 10 less, writing numbers in word and standard form,...
Math Worksheets Land
Unknown Numbers in Sums and Differences
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...
Arcademics
Hungry Puppies
It all comes down to the treats. Individuals compete to find decimals' addends to arrive at a given sum. Pupils click on two dog treats with values that add to the target number. Each round contains the same sum and lasts a minute, and...
Curated OER
Make Ten With Three Numbers
In this addition to 10 learning exercise, learners will solve seven addition problems with three missing addends. The goal is to find at least seven ways to make ten with three addends and to look for a pattern.
Curated OER
The Value of a Number
Students assess informal methods to solve real-world problems that utilize simple equations that involve one variable. They incorporate concrete objects to assist them in the solving of a variety of equations. The students are actively...
Curated OER
Find Missing Sums and Addends-No Regrouping
In this addition learning exercise, students find missing sums and addends in a set of 20 problems without regrouping. Answers are included on page 2.
Curated OER
Addition Terminology and Practice
In this addition worksheet, students review the terminology and definitions for the words addends and sum. Students then write the given numbers as sums in as many different ways as they can. Students also write addition sentences for...
Curated OER
Subtracting Within the Same Ten
In this subtraction activity, students subtract one digit numbers from one and two digit numbers with the same 10. Students complete 8 sets of problems.
Curated OER
Food Pyramid Power
Students investigate patterns in the Food Pyramid. In this patterns in the Food Pyramid lesson, students sort food into different food groups. Students make patterns with food from different food groups. Students...
Curated OER
Counters in the Cup
In this beginning addition worksheet, students solve 4 problems in which a missing addend is supplied to complete a basic sum.
Curated OER
Adding Ten
In this addition learning exercise, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
Curated OER
Adding Ten
In this addition worksheet, students practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
Curated OER
Number Line Addition Problems
In this addition instructional activity, students use a number line to help them find the sums to 12 single digit addition problems. They use a number line that contains the numbers 0 - 10.
Curated OER
What's Missing?
Students practice solving very basic number sentences and recording their answers on a worksheet. Individually, they use different manipulatives to represent the sentence they solved. They also explain what steps were taken to solve...
Curated OER
Study Buddies: Working With Addition Properties
In this math worksheet, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for the coach.