Curated OER
Base Ten Blocks Rods and Flats (A)
Using visual cues and hands on manipulatives are great for conveying concepts in a concrete way. Learners are given a set of rods, they break the set up into flats, then count the rods left over to determine an answer. There are 5...
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
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.
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...
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
Addition word problems
In this addition worksheet, students complete addition word problems involving money, base ten blocks, and more. Students complete 10 addition word problems.
EdHelper
Addition
For this addition worksheet, students count the base ten blocks and the square unit blocks to solve the addition problems. Students solve 5 problems.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
Curated OER
Addition and Subtraction
In this addition and subtraction activity, students enhance their addition and subtraction skills by completing the 42 problems.
Curated OER
Addition: Equation to 10 (Missing Addend)
Use this worksheet as a way to solve missing addneds up to 10. Learners are given base 10 blocks and make number sentences by completing 16 missing addend number sentences. The structure of each problem is similar to a factor tree and...
National Math + Science Initative
Introduction to Decimals
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
National Security Agency
Place Value - Butterflies Floating Place to Place
Learn about butterflies and place value in a series of interdisciplinary lessons! With several worksheets that reference butterfly facts in word problems, kids can practice science and math in one activity. Additional worksheets are...
Illustrative Mathematics
Saving Money 1
How many days will it take Louis to save enough money for school supplies and new pair of shoes? Focus on Common Core math standards with a two-part task that involves a word problem and counting manipulatives.
Curated OER
Hands On: Model Numbers
In this addition and subtraction practice worksheet, students sharpen their problem solving skills as they solve 6 story problems using number models.
Curated OER
2nd Grade Math
In this math instructional activity, 2nd graders complete multiple choice questions about addition, subtraction, fractions, money, and more. Students complete 20 questions.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.