Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
Curated OER
Counting on a 100 Square
Counting by twos, fives, and tens is a great way to build the skills and number sense needed to better grasp the concept of multiplication later on. Here are six number charts to 100, each chart is highlighted and requires the class to...
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Curated OER
Regroup Ones and Tens
In this addition worksheet, students add upward 15 2 and 3-digit whole numbers problems. Students complete 3 tables utilizing Algebra functions and answer 2 test prep questions.
Curated OER
Multiplying By Tens 1
For this finding the products worksheet, students multiple single digit numbers by groups of ten. Students solve 54 problems.
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Curated OER
Using >, < , and =
To practice comparing 2-digit numbers, learners evaluate 8 pairs of numbers and circle the appropriate symbol: greater than, less than, or equal to. Directions encourage use of "tens and ones." So break out the unit cubes and 10-rods to...
Curated OER
Mental Math: Multiply Multiples of 10, 100, and 1,000 homework 21.1
Pupils use basic facts and patterns to find the products of multiples of tens, hundreds, and thousands. They solve twelve problems.
Curated OER
Regroup Hundreds practice 22.3
In this regrouping to subtract instructional activity, students regroup tens and hundreds to solve three-digit subtraction problems. Students solve seventeen problems.
Curated OER
Vertical Three Digit Place Value Addition 1
In order to add 3 digit numbers together and understand place value learners add to find the standard form. THere are 40 problems in which the hundreds, tens, and units are added to find a sum. Note: This format may confuse some children...
Math 4 Children
Who Wants to be a Champion? - Comparing Numbers
Some excellent practice in mental math, and comparing numbers, awaits your class in this engaging Jeopardy-style game. They can earn bronze, silver, and gold medals by answering questions correctly. The categories include comparing...
Curated OER
Who Wants to Win Millions: Estimation and Rounding
Rounding numbers can be fun using this game. Learners estimate and round numbers to the tens, hundreds, and thousands using this presentation. What a clever way to review this concept.
Curated OER
The 9's times tables finger trick
Kids love short-cuts and this one is an oldie but a goodie. The 9's times tables finger trick is demonstrated using images of a child's hands, the multiplication problem represented, and how tens and ones are represented by each finger....
Curated OER
Numbers 1-20
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
Curated OER
Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
Curated OER
Multiples of Ten
Here is a presentation that helps young mathematicians hone their skills when counting by tens. The presentation also reviews the concept of using the greater than and less than symbols when comparing numbers. Most of the slides have...
Curated OER
Partitioning Numbers
Partitioning or decomposing double and triple-digit numbers is a wonderful way to build number sense and a basic understanding of place value. Here are 12 different numbers, partitioned into their base units and tens or hundreds...
Curated OER
Expanded Shells
Practice expanded and standard notation in this beach-themed addition activity. You will need to cut out the shell templates, which are in three groups: ones, tens, and hundreds. Learners choose one from each group, then use the...
Curated OER
Number Patterns
Which number comes next? The great part about this number sequencing worksheet is that it increases in difficulty so some learners who aren't challenged by the first few will definitely meet their match with the last couple. In each of...
Curated OER
Multiplying
There is a step-by-step example here to help young multipliers solve 12 equations, all of which have one 2-digit and one 1-digit factor. The method displayed encourages breaking the two-digit number into tens and ones, multiplying each...
Curated OER
Expanded Form
Practice place value through writing numbers in expanded form; scholars do this with numbers up to five digits. There are two examples to demonstrate the process, and the problems are split into four distinct sections to keep pupils...
Scholastic
Study Jams! Place Value
Looking at large numbers can intimidate many young mathematicians. Use Zoe's place value machine to help learners understand the meaning behind each digit in a whole number. After learning about the ones, tens, and hundreds places,...
Curated OER
Expanded Notation Poster
Show how numbers can be expanded with this vivid chart expressing different place values. The chart takes four numbers and writes them with expanded notation in their thousands, hundreds, tens, and ones places.
Curated OER
Kindergarten Numbers and Number Sense
Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...
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