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Number Base Clocks
Young scholars investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...
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Single-Digit Addition
In this single digit addition worksheet, students draw lines to match the answers to addition problems shown in balloons to their corresponding answers.
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Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this worksheet. Students apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
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Add and Subtract to Get Four
Explore the many paths to get to four in this addition and subtraction worksheet! Learners walk through the steps of the options: adding two numbers, adding three numbers, and subtracting two numbers. They examine which...
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Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
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Doubles and Halves 3
Build mental math skills by teaching learners to double and half three-digit numbers. They start out by doubling one of seven double-digit numbers. Next, they discuss their strategy, and then practice doubling and halving 3-digit...
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Identifying Patterns
Find the pattern! Eighteen number sequences challenge scholars to identify and complete the pattern, adding at least four digits to the given numbers. All the sequences here involve skip counting by various single-digit numbers,...
Collaborative Learning Project
Four in a Row Addition and Subtraction
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
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Decimal Addition
Use this guided set of equations to help scholars add double-digit numbers with decimals. They examine two examples before trying these on their own, many of which require regrouping. All of these have decimals to the hundredths place....
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Beginning to Add Decimals Mentally
In this addition learning exercise, learners solve ten math problems in which they add a single digit number and a decimal number. Learners solve these problems in their head and write the answers in the boxes. The answers are available...
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Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
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Adding a Single Digit
In this problem solving addition worksheet, students add three digit numbers to one digit using regrouping. Students solve for 25 problems that are written horizontally on the page.
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Add One-Digit Numbers to Two-Digit Numbers
In this addition review worksheet, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
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2-Digit Addition #4
In this addition worksheet, students complete 18 horizontal addition problems, adding one 2-digit number to another. A reference web site is given for additional activities.
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Adding single-digit and three-digit numbers
In this addition worksheet, learners complete eighty horizontal addition problems. Addends in the problem are single digits and three-digits.
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Single-Digit Addition
For this single-digit addition worksheet, students complete a total of 4 problems, joining problems to answers with a balloon string to match.
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Adding Fractions Worksheet
In this adding fractions worksheet, students add fractions with uncommon denominators with one digit numbers. Students complete 20 problems total.
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Adding Two- and Three-Digit Numbers
In this addition worksheet, 4th graders add together 13 two and three-digit numbers with two and three numbers in each addition math problem.
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Adding Decimals
In this adding decimals worksheet, students add numbers with decimals that are 2 digit numbers. Students complete 10 problems.
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Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
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Adding Tenths
In this mathematics worksheet, 4th graders identify what is missing from the whole 1 in each problem. Then they draw a number line from 0 to 2 with tick marks at every tenth place. Students also add each decimal and write their...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
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That's The Way the Cookie Crumbles
Third graders work with money values and making purchases. In this money lesson, 3rd graders listen to Donna Guthrie's book, Real World Math: Money and Other Numbers In Your Life. They make money cookies either with a recipe or with...
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Decimal Addition
Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...