Curated OER
Today's Number
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.
Curated OER
The Hundreds Place
Observe numbers in four different forms. Scholars become more familiar with place value as they match the numbers on the left with those on the right. The twist is that the numbers are shape-shifting! Some are in expanded form, others...
Math Learning Center
Grade 1 Supplement Set A5 – Number and Operations: Place Value
First graders work together to sort, categorize, and order collections of objects through activities that help build number sense.
Curated OER
Base Ten Blocks—Units and Rods (D)
In this counting units and rods activity, 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 instructional activity, 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
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 word problems
In this addition worksheet, students complete addition word problems involving money, base ten blocks, and more. Students complete 10 addition word problems.
Curated OER
Visual Equivalents: Tenths and Hundredths
In this fractions worksheet, learners write the fractions for the visual equivalents to the base ten blocks in tenths and hundredths. Students complete 4 problems.
Curated OER
Base Ten Blocks - Counting Units (A)
In this math worksheet, students are given 8 sets of counting blocks. Students are asked to count the blocks and tell how many "units" are in each group.
Curated OER
Problem Solving
For this math worksheet, students solve a word problem about base ten blocks. Students illustrate their work in pictures, numbers, and words.
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
Decimal Models
Before jumping into numeral decimals, explore them visually using this base 10 strategy. There is a set of examples to help scholars understand the concept. They color in grids to represent decimals written in a variety of ways. Some...
EdHelper
Subtraction
In this subtraction worksheet, students use the base ten blocks and square unit blocks to help them find the missing number to complete the single and double digit subtraction problems. Students solve 11 problems.
Curated OER
Working with 10s and 1s, Part 2
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
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...
Curated OER
Tens and Ones
In this tens and ones worksheet, students complete several exercises that help them learn value places and write numbers as tens and ones. Students complete 45 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 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...
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
Place Value
In this place value worksheet, students use the base ten blocks and square units to help them find the number and write it in expanded and standard form.
Illustrative Mathematics
Making 124
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Curated OER
Identify Place Value
In this place values learning exercise, students solve the word problems by identifying the place value number in question. Students solve six problems.
Curated OER
Hundreds, Part Two
In this hundreds learning exercise, learners write the hundreds, tens, and ones that make up a number using base 10 blocks. Students complete 5 sets of problems.