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 instructional...
Curated OER
Adding in Our Heads
A good presentation on adding two-digit numbers. Learners are shown how to partition the numbers before trying to add them in their heads. A frog is the featured teacher of the PowerPoint, and he leads viewers through many problems and...
Curated OER
Adding Mixed Fractions (H)
Here is an adding mixed numbers worksheet in which learners change the unlike denominators to common denominators and find the sums. They solve 10 problems.
DK Publishing
Addition: Count and Color, part 2
Introduce young counters to addition through coloring as they examine number sentences represented by sets of objects. Learners count the two addends and color in the sum by counting out the total in a final set. There is an example, and...
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one...
Curated OER
And 1 More Makes...
If we add one more, how many will we have? Beginners to addition practice this skill using images and counting as they draw one more sock to each set and record the new total. There are three of these followed by four more similar...
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
Fact Families - Part 3
These fact family equations need to be completed, and there are 56 here to give scholars plenty of practice! They write in sums and differences for eight 3-number fact families and four 2-number fact families. The problems are scaffolded...
Curated OER
What's the Perimeter?
Find the perimeter of squares and rectangles with a straightforward worksheet. An example at the top of the page shows third graders how to find the perimenter, along with the addition problem necessary to find it. Pupils then work on...
Curated OER
Addition Drills, part 2
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
Curated OER
Things Fall Apart: Vocabulary
What is a magic vocabulary square? Use this newly popular method of reviewing vocabulary to engage your class. There's some tricky vocabulary in Things Fall Apart; front-load words like impending, impudent, and pacified to ease the...
Illustrative Mathematics
Building toward fluency
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
Curated OER
Quiet on the Set!
In pairs learners perform a silent skit portraying relationships between two known characters from a popular book or a play for their classmates. Next, the class will read and discuss a NYTimes article about a film school in the Bronx...
Curated OER
Count On Challenge
Use a counting worksheet to teach learners how to add-on. They write equations and count on to find the sums. There are 5 problems to solve.
Curated OER
Addition Drills
Begin adding two-digit numbers with young mathematicians using this set of straightforward equations, none of which require regrouping. All have two-digit addends, and one sum is a three-digit number. Scholars can reference three...
McGraw Hill
Adding and Subtracting Mixed Numbers
Adding and subtracting mixed numbers will be a breeze with this guided worksheet packet. Learners work through examples outlining each step including rewriting mixed numbers as improper fractions, adding numerators, and rewriting the sum...
Curated OER
Addition Drills, part 4
Show kids that addition has real-life applications as they add up measurements and money. There are some examples here demonstrating regrouping and including units in an answer. They complete 20 measurement addition problems, each with...
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....
DK Publishing
Subtracting Big Numbers
Do your third graders get nervous when working with larger numbers? Help them get some practice subtracting big numbers in different contexts. After working through twenty-two straightforward problems, four of which include units of...
DK Publishing
2 More Than
Which one has two more? Each row of objects has a corresponding row, and mathematicians determine which one has two more than the other, checking it off. They work with single-digit values here and should be encouraged to write the...
Curated OER
Adding Decimals
Explore the practical uses of adding numbers with decimals as scholars add measurements and money. The first 12 equations are written vertically with half the sums requiring a dollar sign and half a unit of measurement. The next six are...
DK Publishing
Addition: Count and Color, part 3
Approach addition with sets of objects to show scholars the operation visually. There are four sets of images here arranged as addends in an addition number sentence. Learners count them and color in the total in a final set. All answers...
Rational Number Project
Initial Fraction Ideas Lesson 18: Overview
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
Curated OER
Follow That Sign! A Review in Using Appropriate Mathematical Symbols
Kids gain a deeper understanding of mathematical symbols, by playing an interactive game using flash cards. They complete an attached Missing Symbols Worksheet, flash card and an assessment are also included.