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Interactive
Curated OER

Subtraction

For Students 2nd - 3rd
In this subtraction worksheet, students base ten blocks and square unit blocks to solve the subtraction problems. Students solve 5 problems.
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Worksheet
Curated OER

The Hundreds Place

For Students 2nd - 4th
Break up numbers into place value to help your scholars comprehend three-digit numerals. There are three problems here, and the large text and visuals make it ideal to project as an all-class warm up. Learners first identify the value of...
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Worksheet
Curated OER

Base Ten Blocks - Rods and Flats (D)

For Students 1st - 2nd
In this trading base ten rods and flats worksheet, students view pictures of groups of rods and trade them for flats with remainders. Students solve 4 problems.
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Worksheet
Curated OER

Base Ten Blocks - Rods and Flats (E)

For Students 1st - 2nd
In this trading base ten rods and flats worksheet, students trade flats for each group of rods with remainders. Students solve 4 problems.
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Worksheet
Curated OER

Base Ten Blocks - Counting Rods (A)

For Students 2nd - 3rd
In this math worksheet, students are shown 4 sets of counting rods. Each counting rod has 10 blocks in it. Sets have various amounts of rods and students are asked to give the value of the rods.
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Worksheet
Curated OER

Base Ten Blocks - Counting Flats (D)

For Students 2nd
In this place value worksheet, 2nd graders read that the value of flats is 100 when counting place value blocks. They determine the value for each of 4 sets of flats.
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Worksheet
Curated OER

Hundreds, Tens, and Ones - Find the Secret Number

For Students 2nd - 3rd
The class assess images of blocks to determine place value. They are given 6 images to assess, they write down the number of hundreds, tens, and ones shown, then compose the number they represent. The whole number each set of blocks...
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Worksheet
Curated OER

Building Numbers 11-40

For Students 2nd - 3rd
In this building numbers worksheet, students fill in the table using the base ten and square unit blocks to build numbers. Students write the numbers into the tens and ones block.
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Worksheet
Curated OER

Base Ten Blocks-Counting Units

For Students 2nd - 3rd
In this base ten blocks counting worksheet, students count how many units are in given groups of blocks, 8 sets of blocks total.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods (C)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods (D)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 4 problems that require them to find the values of sets of rods.
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Worksheet
Curated OER

Base Ten Blocks—Counting Units (E)

For Students K - 2nd
In this base 10 blocks math worksheet, students use their counting skills to solve 8 problems that require them to find the values of the units in each of the groups.
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Lesson Plan
Illustrative Mathematics

Rounding to 50 or 500

For Teachers 3rd - 4th Standards
In a six-problem learning activity, children are guided to solve word problems that involve rounding to the nearest ten and nearest hundred. A commentary and answer key provide different approaches that learners may take in solving the...
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Worksheet
Curated OER

Value of Base Ten Blocks

For Students 1st - 2nd
In this base ten blocks worksheet, learners analyze the pictures of base ten blocks in 4 problems. Students write the value of the blocks in the box.
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Worksheet
Curated OER

Base Ten Blocks-Counting Flats

For Students 2nd - 3rd
In this base ten block counting worksheet, students determine the value of sets of flats, each flat having a value of 100, 4 sets of flats total.
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Worksheet
Curated OER

Base Ten Blocks—Counting Rods (B)

For Students 1st - 2nd
In this base ten blocks practice worksheet, students use the counting rods to find the value of each of the 10 sets of counting rods.
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Assessment
Illustrative Mathematics

How Many Days Until Summer Vacation?

For Students 2nd Standards
On the 124th day of school, young mathematicians are asked to find out how many days are left in the 180-day school year. The teacher version to the task offers several ways the problem can be solved, and can be used to guide instruction...
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Assessment
Illustrative Mathematics

Three Composing/Decomposing Problems

For Students 2nd Standards
Practice composing and decomposing numbers in base-ten using three word problems. Each problem presents a different scenario requiring learners to explain their thinking, find the number of ones, and find out different ways to make a...
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Worksheet
Curated OER

Expanded Form

For Students 1st - 2nd Standards
Explore place value through re-writing these two-digit numbers in expanded form. For example, 47 becomes 40 + 7. There is one example to model this, and scholars complete 14 more on their own. Be sure they understand this process as...
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Worksheet
Curated OER

Today's Number

For Students 2nd - 3rd
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
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Worksheet
Curated OER

Base Ten Blocks—Rods and Flats (C)

For Students 1st - 2nd
In this base 10 blocks math worksheet, students use their problem solving skills to respond to 4 questions regarding rods and flats.
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Worksheet
Curated OER

Base Ten Blocks—Counting Flats (C)

For Students 1st - 2nd
In this counting flats and blocks practice instructional activity, students use their problem solving skills to find the values of 4 sets of flats.
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Worksheet
Curated OER

Base Ten Blocks—Counting Flats (E)

For Students 1st - 2nd
In this counting flats and blocks practice worksheet, learners use their problem solving skills to find the values of 4 sets of flats.

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