Curated OER
Using 10 to Add 7, 8, and 9
In this using ten to add to seven, eight and nine worksheet, students, working with a partner, practice adding various numbers to the number ten for mastery.
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
K-5 Math Teaching Resources
Large Ten Frame 11-20 (With Numbers)
An excellent way to review math ten frames, this series of posters reminds kids how to mark numbers 11-20. Each pages features a ten frame with the first ten spots filled out to indicate 10, then additional frames to indicate how many...
Curated OER
Fill the Frames
This simple and fun game collaborates young mathematicians as they practice counting. Using a double ten frame each, partners alternate rolling a die and filling in spaces with as many counters as was rolled. They continue until both...
Curated OER
Let's Count to 20
Budding mathematicians create groups of 10 to 20 objects using numerals to record the size of a group. They construct sets of numbers up to 10, write the numerals up to 10, and count up to 10 rationally. Students also use ten frames and...
Curated OER
A Human Number Line: Student Worksheet
Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...
CK-12 Foundation
Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten
Boost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example...
CK-12 Foundation
Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
Curated OER
Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
Curated OER
Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
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
Pairs That Make Ten
A very basic presentation on numbers that add up to ten. Learners are shown a number on a slide, and they must come up with the addend that will make a sum of 10 when they are added together. Not the greatest presentation in the world,...
Curated OER
Make 10 to Add: Practice
For this adding to 10 worksheet, students learn how to solve addition problems with sums greater than 10 by first making ten and adding in the remaining numbers. In the second set, students find the missing number to add to ten to solve...
Illustrative Mathematics
Hitting the Target Number
Make combinations to reach the target. Learners play a game to add and subtract numbers between 0 and 10 to reach a target number between 10 through 20. Teachers use the game to help pupils learn efficient ways to add and subtract within...
Primary Resources
Number Bonds to 20
Kids can add their way to 20 with this cute bug-themed presentation. Each slide contains an addition sentence that adds up to 20 and various insect images for little learners to count. It's a highly visual resource that can be used when...
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
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
Counting by Groups of Ten, Number Line
Have your youngsters test out their abilities using a number line. Students will add to the number line by increments of ten until the solution is found!
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
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
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...
California Department of Education
What Matters to Me?
Whether you're a self-starting entrepreneur or a cubicle commando, finding a career that suits your personality is a must! The second lesson in a series of five career and college lesson plans focuses on work ethic and values. Learners...
Curated OER
Make 10: Addition Strategy
What a brilliant way to present this topic! This presentation uses counters and an interactive techniques to show young mathematicians how to add numbers by creating groups of ten. The graphics make it easy to understand this concept....
Curated OER
Make Ten Guided Lesson
Use these missing-addend problems to help your beginning mathematicians practice addition facts. They read sentences and solve, making 10 from different single-digit numbers. Each of these four problems is formatted differently, so the...