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Maths Blog
Make 20
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
DK Publishing
Mentally Adding and Subtracting
If you're looking for basic practice problems for youngsters learning addition and subtraction skills, look no further! Scholars solve 30 equations by filling in a missing addend, subtrahend, or minuend in these horizontally-aligned...
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...
Curated OER
Missing Addends
For this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
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,...
Helping with Math
Addition: Number Bonds to 20
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of 41 missing addend problems. Answers are available.
Curated OER
Adding and Subtracting from 10
Here is a nicely designed worksheet on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do have...
Concord Consortium
The Trouble with Tables
Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.
Curated OER
Decimals-Missing Addends
In this decimal addition activity, students supply the missing addends necessary to arrive at given sums. Page has an answer link a the bottom.
Curated OER
Can't Start the Race Without 10 Cars Worksheet
Race cars needed! Since the race cannot start without ten race cars, kindergartners must determine how many more cars must be added before the checkered flag is waved. Space is provided on the illustrated instructional activity for...
Curated OER
All A-buzz About Math
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2 lbs....
Curated OER
Missing Number Addition
In this addition instructional activity, learners are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.
Curated OER
Missing Addend (2 through 5)
In this conceptual addition instructional activity, students improve their adding skills. Students write a numerical addition problem based on the picture provided. There are sixteen in all.
EdHelper
Addition: Missing Numbers
For this addition activity, students look at pictures of blocks and their numerical values, then find the missing addend. Worksheet is labeled "sample" and is part of a subscription site with links.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
Curated OER
Missing Numbers Addition [B]
In this addition activity, students write the missing addend in a box, 24 simple addition problems total. Answers are included on page 2.
Curated OER
Missing Numbers Addition [C]
In this addition worksheet, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Complete the Number Sentences
In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
Curated OER
Circle the Wagons a Number is Missing
Second graders have an opportunity to work in pairs as they search for the missing addend to complete a mathematical sentence. They identify and demonstrate the ability to change the order of the addends and still produce the same sum....
Curated OER
Two Digit Addition Worksheet #3: Find the Missing Number
In this addition worksheet, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
Fuel the Brain
Missing Addend
Do your little learners know how to find the missing addend in a math problem? See what their knowledge is with this fun and simple skills practice!
Curated OER
Reader's Rabbit Math
Students are able to use the Fishing for Numbers game in Reader Rabbit's Math. They are able to select two addends that sum to the given number between 1 and 12. Students work in pairs and go to the computer stations and complete at...
Curated OER
Missing Number Addition
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.