Curated OER
Counting by 10s
You've got their attention once candy is the focus of a math worksheet! Learners count by 10 to determine how many candies are in each set, which are all grouped by 10. There is an example and number line to help them, and they write the...
Curated OER
Read, Write, and Draw
Numbers come in many forms, and they often appeal to different types of leaners. Explore these forms through six place-value problems which have youngsters represent values numerically, in word form, and through base-ten blocks. They...
Curated OER
Decimal Place Value
What is the place value of the digit 5? Explore decimals to the ten-thousandths place with these place value identification problems. For the first eight, pupils write down the place of a specific digit in various numbers. Next, scholars...
DK Publishing
Converting Units of Measure #2
Turn centimeters to meters; scholars practice measurement conversion using metric units. There are two examples to get them started before they complete four sections converting centimeters to meters, meters to centimeters, meters to...
Curated OER
Adding Decimals
Adding decimals can be simple; show scholars the practical uses of adding numbers with decimals as they add measurements and amounts of money. The first eight equations are written vertically with some sums requiring a dollar sign, some...
Curated OER
Adding and Subtracting
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Curated OER
Decimal Addition
Use this guided set of equations to help scholars add double-digit numbers with decimals. They examine two examples before trying these on their own, many of which require regrouping. All of these have decimals to the hundredths place....
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...
Curated OER
Exploring Number Systems
Students work in a group to prepare a poster about a new number system. They research a variety of number systems, create new symbols for their original number system and develop a tutorial for the class.
Curated OER
Morning Math
Here is a series of morning math activities which will get your class thinking as they start the day. Simply do one or two every day; the variation in types of math will keep them on their toes and reviewing past concepts. Each of the 16...
Curated OER
Ones and Tens Place Fill Ins Worksheets
There are five numbers here, each of which needs to be decomposed into place values. Young mathematicians complete missing information in a chart which splits numbers into tens and ones. They must fill in the numerals or the tallies...
Curated OER
Secret Country Code Breaker
Super cool and totally fun math awaits your class. They are the code breakers, and their job is to identify and locate the secret agent by breaking two different codes. They use all their skills to solve a series of double-digit addition...
Curated OER
Rounding up or Rounding down
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
Curated OER
Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Curated OER
Tens and Units
Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30. Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as tens and...
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
Using Known Facts to Multiply and Divide Mentally
Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...
Primary Resources
Decimals: Place Value
Tackle the concept of decimals and place value. Each of the four slides in this compact presentation displays a different aspect of place value as it relates to decimal numbers to the thousandths. Very simple, very clear, and comprehensive.
Curated OER
Money Place Value
Play this place value game with or with out the context of money. As your click-through the slides, numbers appear, learners use the numbers given to make the largest number to win. This game can be used to reinforce monetary value or...
Curated OER
Mental Math: 5 a Day
This is a really cool math resource! There are nineteen different slides containing five math problems each. They are intended to be used as daily math warm ups and address skills such as, addition, problem solving, missing addends, word...
Curated OER
Multiply by 10, 100, 1000
It can be fun to multiply by 10, 100, or 1000! Present all the info needed to make your class multiplication masters. They work through several examples, then take a one minute speed test. This resource comes with a built-in timer that...
Curated OER
Tens and Ones Guided Lesson
Understanding place value will open up a world of math comprehension for your learners. There are three parts to this worksheet, all with the objective of revealing the decomposition of numbers into tens and ones. First, scholars examine...
Curated OER
First Grade Math Review
In this first grade math review worksheet, 1st graders complete problems on place value, fractions, counting, shapes, and more. Students complete 25 multiple choice questions.
Curated OER
Reading and Writing Numbers
Reading and writing numbers is thoroughly covered in this well done slide-show presentation. Learners will see how number and number words correlate in relation to place value. The slide-show is text heavy and could use more visual aids...