Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
DK Publishing
Addition with 3-Digit Numbers #1
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Curated OER
Adding 2-Digit Numbers
If you're looking for guided addition problems, here is a practice list of 30. All of these have two double-digit addends, and many require regrouping. There are three example problems for learners to reference, each of which also...
Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
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...
Curated OER
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
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
Suma de dos Digitos
Step-by-step instructions on adding two-digit numbers are visualized in this colorful PowerPoint. There are a total of eleven example problems for students to complete as a class. Note: Instructions are in Spanish.
Curated OER
Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
DK Publishing
Adding with 3-digit Numbers #2
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
Curated OER
Ordering
Money is a great medium for math problems, and learners practice with coins in these addition equations. First, they add up five sets of coins (one is done for them), writing down the totals below each. Next, scholars sequence these...
Curated OER
Add and Subtract Within 20
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
Curated OER
Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Curated OER
Santa's List Sums (C1)
In this Christmas math worksheet, students solve 17 problems in which the number of boys and girls on each street are added and the sum recorded on Santa's list. All numbers are below 10.
Curated OER
Numbers to 40
In this addition worksheet, students find the sums and differences in 10 vertical addition problems. They fill in the numbers in 10 word problems, circle the largest number and cross out the smallest number in 5 examples, and find the...
Curated OER
Sums: adding same number
For this doubles addition worksheet, learners add the sums of doubles addition problems with numbers up to 9. Students complete 10 problems.
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
Sums
In this sums worksheet, learners complete one digit number word problems where they add up the numbers to find a total. Students complete 5 problems total.
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition word problems worksheet, students solve 4 story problems in which two digit numbers are added to single digits.
Curated OER
Picture Addition 1-5 #3
In this picture addition worksheet, learners complete 6 problems, writing the sum next to each set of pictures. A reference web site is given for additional activities.
Curated OER
Making 10
In this making ten worksheet, students add to ten by using two number cards. Students think of as many ways possible to use 2 cards (from 1 to 9) to make a sum of ten.
Curated OER
Making Addition Sums
In this addition worksheet, students are given a sum and they are to come up with two sets of numbers that make up that sum.
Curated OER
Missing Addends 2-5 Worksheet #2
For this missing addends worksheet, students fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.