Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Three-Digit Number: Hundreds Place
Looking at the image of two sets of base ten blocks, learners determine which represents the number shown. This process is fully explained just below the problem. Use for review or extra practice.
Curated OER
Smaller Than One
Students examine how to convert fractions into decimals and percents. They work with base ten blocks and a worksheet to color in parts of 100 and renaming the parts as decimals and fractions.
Curated OER
Tens and Units
Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30. Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as tens and...
Curated OER
Base Ten Blocks—Representing Numbers (D)
In this counting base ten blocks learning exercise, students read a brief instructional guide and fill in the blanks in 4 statements pertaining to the units pictured in each of the 4 problems.
Curated OER
Base Ten Blocks - Rods and Flats (D)
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.
Curated OER
Base Ten Blocks - Rods and Flats (E)
In this trading base ten rods and flats instructional activity, students trade flats for each group of rods with remainders. Students solve 4 problems.
Curated OER
Decimal Multiplication
Students use base ten blocks to lead them in the concept of understanding multiplying numbers with decimals. In this multiplication of decimals lesson plan, students also use digital activities to help them with the multiplication.
Illustrative Mathematics
Roll & Build
Develop young mathematicians' understanding of place value with this hands-on math activity. Working in pairs, learners take turns building two-digit numbers by rolling two ten-sided dice. Base ten blocks are then used to model the...
Curated OER
Hundreds, Tens, Ones
In this place values worksheet, students solve the six word problems using place value numbers in the ones, tens, and hundreds. Students use base ten blocks and square unit blocks to help them solve the problems.
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
Subtraction
In this subtraction worksheet, students base ten blocks and square unit blocks to solve the subtraction problems. Students solve 5 problems.
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Curated OER
The Decimal Game
For this decimal game worksheet, students first shade the base-ten blocks to show the given decimal numbers. In the second set, students write the number words into standard form. In the third set, students write the place value position...
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...
College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing them to...
Curated OER
The Hundreds Place
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...
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Curated OER
Base Ten Blocks - Counting Rods (A)
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.
Curated OER
Base Ten Blocks - Counting Flats (D)
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.
Illustrative Mathematics
How Many Days Until Summer Vacation?
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...
Curated OER
Planetary Place Value
Third graders explore place value to the ten thousands place. This incredibly thorough, 24-page lesson plan has learners construct, order, and compare numbers to 9,999. This three-day lesson plan includes reteaching and extension...
Illustrative Mathematics
Three Composing/Decomposing Problems
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...