Scholastic
Study Jams! Add & Subtract Measurements
How much leopard print fabric will Zoe need to upholster a sofa for her jam studio? This problem is the example used to teach how to add and subtract measurement-related values.
Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
Curated OER
Add Mixed Numbers With Like Denominators (B)
Looking to drill your upper elementary schoolers on their ability to add mixed numbers with like denominators? A cartoon at the top reminds learners how to tackle each problem (starting with the whole numbers and moving to the...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Flipped Math
Add and Subtract Polynomials
Adding and subtracting polynomials is as easy as adding like terms. Pupils watch a video introducing polynomials and how to use a known procedure to add and subtract the polynomials. Class members work a few problems and check them...
Curated OER
Add And Subtract Decimal Hundredths (E)
Here is an adding and subtracting decimal hundredths instructional activity in which learners add and subtract numbers that have decimals in the hundredths. They complete 32 problems where everyone adds and subtracts numbers that have...
K12 Reader
Add a Prepositional Phrase to an Adjective Phrase
Don't just rely on adjectives to describe the nouns in your sentence! Use a handy learning exercise to review prepositional and adjective phrases. Learners read eight sentences and add prepositional phrases as adjectives after either the...
Flipped Math
Add and Subtract Radicals
Radically apply old skills to a new concept. Pupils learn how to add and subtract radicals by applying previously learned skills of simplifying radicals and combining like terms. The video shows examples with both square and cube roots....
Curated OER
Add up to 20
In this adding up to 20 instructional activity, students try to match each line of the rectangle to add up to 20 using any whole numbers they choose. Students have 6 blanks to fill in and 2 questions at the end.
Curated OER
Add Mixed Numbers with Like Denominators (F)
In this adding mixed numbers practice worksheet, students solve 14 problems that require them to add mixed numbers that have like denominators.
![Add Mixed Numbers With Like Denominators [J] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217686/large/nziymduylmpwzw.jpg?1315013855 "Add Mixed Numbers With Like Denominators [J] Worksheet")
Curated OER
Add Mixed Numbers With Like Denominators [J]
In this mixed number addition worksheet, students add a total of 14 problems, using mixed numbers with like denominators. An example problem appears at the top of the worksheet.
Math Worksheets Land
Add and Subtract within 1000 - Independent Practice Worksheet
Give your mathematicians some practice with three-digit numbers as they complete these addition and subtraction problems. There are six vertically-formatted equations to start, then learners add to and subtract from eight numbers...
Curated OER
Add the Lions-Numbers 1-5
Roar! Adding up to 5 is a lion of a task. Young mathematicians add sets of lions, writing the sum beside each set. There are 6 very cute sets of lions to count and add.
Curated OER
Add Hundreds
Learners use the basic facts in 6 word problems to help them add hundreds. They use base ten blocks to model and assist them with their addition.
Curated OER
Add the Hippopotamus: Numbers 1-5
How many hippos are there? Never more than 5 on this instructional activity. Kindergarteners count hippos, add them together, and write the sum in the provided box. There are 6 problems to solve.
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Scholastic
Study Jams! Add & Subtract with Unlike Denominators
Your bakers might not realize that they need to know how to add with unlike denominators in order to figure out how much milk they need for a recipe. In order to make brownies and cookies, this lesson teaches how to find a common...
Scholastic
Study Jams! Add & Subtract with Common Denominators
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
Curated OER
Add Single Digits
In these twenty addition worksheets, learners add one-digit plus one-digit numbers horizontally. Students find the sums for 200 problems.
![Add and Subtract Decimal Hundredths [H] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217646/large/nzixotg2lmpwzw.jpg?1414307512 "Add and Subtract Decimal Hundredths [H] Worksheet")
Curated OER
Add and Subtract Decimal Hundredths [H]
Learners add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Curated OER
Add Tens and Ones
In this finding the sum worksheet, students add two-digit plus two digit numbers in ones and tens place values with regrouping. Students solve 12 problems.
Curated OER
Add Up to Four Two-Digit Numbers
The class practices adding two, three, and four two-digit numbers. They add the number sentences on the left, then draw a line to the correct answer on the right.
Curated OER
Add Fractions
In this finding the sums of fractions learning exercise, students add fractions with the same denominator and reduce them to their lowest terms. Students solve 18 problems.
Illustrative Mathematics
Finding Common Denominators to Add
Finding common denominators is an important strategy when adding fractions with unlike denominators. In the first two questions in this three-question task, fifth graders are asked to combine fractions and draw a picture to show their...
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