West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Curated OER
Exercises: Counting by 10s
You've found six problems sure to help your class understand adding tens and hundreds. First they fill in a chart by adding 10s, then they make 100 in different ways. They then use a hundred chart to complete three different patterns,...
Curated OER
Who Wants to Win Millions?
Addition practice awaits your students in this engaging Jeopardy-style game. The students can earn hundreds of dollars by answering questions correctly. The categories include: Adding Doubles, Add and Find Missing Numbers, Adding 3...
Kiz Math
Who Wants to Win Millions - Addition
Some excellent practice in adding a variety of numbers awaits your class in this engaging Jeopardy-style game. They can earn hundreds of dollars by answering questions correctly. The categories include: Adding One, Two, and Three-digit...
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Adding and Subtracting Fractions 2 Worksheet
In this fraction worksheet, 3rd graders answer 12 questions where they add or subtract fractions written horizontally with uncommon denominators.
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Adding and Subtracting Fractions 2 Worksheet
In this fraction worksheet, students answer 12 questions where they add or subtract horizontally written fractions with uncommon denominators.
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Adding/Subtracting--More Than/Less Than
In this adding and subtracting worksheet, students make 6 numbers 100 more and put their answers in the boxes provided. Kids make 6 numbers 100 less and put their answers in the boxes provided. Students count on in hundreds from 769 in 3...
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Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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Addition Workbook
In this addition worksheet, students complete addition facts with numbers 1 through 9, use a hundreds chart, complete word problems, and more. Students complete activities on 20 pages.
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Who wants to win millions: 4th grade addition
Adding large numbers takes practice, so it might as well be fun practice! This Jeopardy-style game asks fourth graders to add up to hundreds, thousands, and millions. A Perfect way to study for up-coming standardized tests.
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Adding and Subtracting Fractions with Like Denominators
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. In this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
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Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
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The Hundreds Board
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
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Adding and Subtracting Decimals
In this addition and subtraction instructional activity, students complete a set of 16 simple problems. Page has multiple links to additional resources.
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Basic Math Addition of Decimals
In this decimal addition worksheet, students complete a set of 10 problems adding decimal numbers to the tenths place. Page has multiple links to additional resources.
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Basic Math Decimals 2
In this adding of decimals worksheet, students complete a set of 16 simple problems using decimals to the tenths place. Page has multiple links to additional resources.
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Dividing by 10
Multiplication and division become much easier when mathematicians are dealing with the number 10 as a factor or divisor. Use the examples to get scholars noticing number patterns if they haven't already learned this. They divide 20...
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Tens! Hundreds! Thousands!!! of Tons
Fifth graders take a close look at the types of ships that travel through the Hudson River Valley on the Hudson River. They utilize worksheets embedded in the plan in order to answer questions about exactly what is being shipped, and how...
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Curated OER
Santa's List Sums (H3)
In this addition chart worksheet, learners help Santa determine the number of children on the 17 streets listed in the chart. Students find the sums of the boys and girls by adding the numbers in the hundreds.
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Practice Writing Three-Digit Numbers
This online interactive activity defines what two-digit and three-digit number are and the place values found in each. A practice activity helps build proficiency with this skill by having learners fill in the 21 blanks with the...
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Dazzling Decimals: Pre Test
In this decimals worksheet, students complete multiple choice questions where they answer questions about decimals on a hundreds block and add numbers with decimals together. Students complete 10 problems.
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Place Values-Adding
Students find place value. In this place value lesson, students are shown examples on the board by their teacher. A ten-problem worksheet is included. Problems involve only the hundreds and ten thousands place.
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Adding Blocks: Hundreds, Tens and Ones
In this adding blocks: hundreds, tens and ones activity, students count the blocks, write the numeral for hundreds, tens and ones, then write the total number of blocks.
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