National Security Agency
Place Value for Primary Grades- A Place for Everything
Here is a phenomenal lesson on place value to the thousands place. Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other meaningful place...
Curated OER
Representing Fractions, Decimals, and Percents
In this fractions, decimals, and percents lessons, students explore various methods of representing fractions. They demonstrate situations that represent rational numbers. Students create a foldable exploring fractions, decimals and...
Curated OER
Place Value Blocks
Flats, rods, and units are used to show what place value actually represents. Learners assess each image, writes the number of flats, rods, and units displayed then write the whole number each image represents. There are 5 problems to...
Curated OER
Place Value Lessons
Students can learn about place value using interesting lessons, activities, and games.
Curated OER
Multiplication Word Problems Using Different Representations
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
Curated OER
Base Ten Blocks—Units and Rods (D)
In this counting units and rods worksheet, students read a brief instructional guide and fill in the blanks in 6 statements pertaining to the units pictured in each of the 6 problems.
Curated OER
Base Ten Blocks—Units and Rods (C)
In this counting units and rods worksheet, students read a brief instructional guide and fill in the blanks in 6 statements pertaining to the units pictured in each of the 6 problems.
Curated OER
Base Ten Blocks—Units and Rods (E)
In this counting units and rods worksheet, students read a brief instructional guide and fill in the blanks in 6 statements pertaining to the units pictured in each of the 6 problems.
Curated OER
Base Ten Blocks—Counting Rods (C)
For this base 10 blocks math worksheet, learners use their counting skills to solve 4 problems that require them to find the values of sets of rods.
Curated OER
Base Ten Blocks—Counting Units (E)
In this base 10 blocks math instructional activity, students use their counting skills to solve 8 problems that require them to find the values of the units in each of the groups.
Curated OER
Base Ten Blocks—Counting Rods (D)
For 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.
Curated OER
Base Ten Blocks—Counting Rods
In this base 10 blocks math worksheet, learners use their counting skills to solve 4 problems that require them to find the values of sets of rods.
Curated OER
Base Ten Blocks—Counting Flats (C)
In this counting flats and blocks practice worksheet, students use their problem solving skills to find the values of 4 sets of flats.
Curated OER
Base Ten Blocks—Counting Flats (E)
In this counting flats and blocks practice learning exercise, students use their problem solving skills to find the values of 4 sets of flats.