Houghton Mifflin Harcourt
Mental Math: Subtract Tens - Homework 12.1
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
Curated OER
Mental Math: Adding 10s
To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...
K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones with Tens Frame)
Working with base 10 blocks? Use this base 10 mat to organize blocks, tens and ones with one ten frame, and determine how many groups of blocks can be used to represent numbers.
Curriculum Corner
Back to School Math and Literacy Centers
From filling in the missing number to filling in the missing letter; to writing fluency sentences to skip counting and matching, a complete set of back to school math a literacy centers will not disappoint. Use these activities during...
School District of Palm Beach County
Egyptian Hieroglyphs
Humans have been developing number systems for thousands of years, and while they can be very different from one another, they can also share surprising similarities. Take your young mathematicians on a journey through the history of...
Math Salamanders Ltd.
Place Value - Hundreds, Tens, and Ones - Count the Balloons
Second graders count the number of balloons represented in groups of hundreds, tens, and ones, then compose a three-digit number. There are three problems to solve.
Curated OER
One and Tens Place Value - Step-by-Step Lesson
Give your pupils a grasp of place value in a two-digit number. They see a drawing of counting cubes in a stick of ten, then examine a set of four. Mathematicians determine how many blocks there are by grouping the tens. Ideally, you will...
Curated OER
One and Tens Place Value
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
Curated OER
Ones and Tens Place Value
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
Curated OER
Morning Math
Mornings can be hard with sluggish mathematicians. Get them thinking using this set of 14 morning math problems. Pass these out or simply project them and have students complete individual problems in their notebooks. Skills include...
Curated OER
Grouping Tens and Ones
In this grouping tens and ones worksheet, 2nd graders group the tens and ones, write the number, find it on the chart and color it a certain color.
Curated OER
Count by Tens (Flowers)
Skip counting by 10, young mathematicians determine the number of flowers (grouped by tens) in 6 different rows. They write the number alongside the flowers. Quantities range from 1 group (10) to 5 groups (50).
Curated OER
Add Tens
Learners solve six story problems about adding 10s. Provide 10-rods or objects they can group into 10s to visualize what is being asked. Two of the problems provide irrelevant information; with discussion and guidance, this is also a...
Curated OER
Count by Tens to 50 (Hearts)
For Valentine's Day math review, primary learners count the hearts (in groups of 10) on each of 7 lines of a worksheet. Skip count by 10s and write the number of hearts (range: 10-50) in a space on the right hand column of the page.
Scholastic
Look for Easy Numbers for E-Z Addition
All kids learn differently. For some, mental math is the best and most efficient way to add a series of numbers. After viewing a few sample problems, learners find ways to add numbers to 10 before adding them all together, and then write...
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
Math Treasure Hunt
In this math treasure hunt worksheet, students complete problems that relate to the answer from the problem before until they reach the last problem. Students complete 6 problems.
Curated OER
Hundreds and Tens - Count the Blocks & Rows
A perfect second grade worksheet. The class reviews counting by hundreds and tens using cubes, then count blocks and rows to determine how many cubes there are in a given set, 4 sets total.
Curated OER
Number Puzzles
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Curated OER
Matching Tens and Ones
In this recognizing place values worksheet, students read two-digit numbers and match them to the box that contains the correct grouping of tens and ones. Students solve six problems.
Curated OER
Estimate Tens
In this estimating tens worksheet, students use a picture of a group of penguins to estimate amounts, circle groups of ten, and find the total number. Students solve six problems.
Curated OER
Add Groups of Ten
In this addition learning exercise, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Tens and Ones Grouping Worksheet
In this place value worksheet, students solve 3 problems that require them to create 2-digit numbers using the math shape counters.
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills or...