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Curated OER
Weaving a Story
It's time to investigate patterns! First and second graders construct a paper weaving using a hundreds chart, then use the Ti-10 calculator to make patterns such as adding 3 each time. Learners remove multiples of three from the hundreds...
Curated OER
Bears in a Box
First graders count bears to predict missing addends. They analyze the missing addend sentence: 7 + ? = 10 and count up from 7 to 10 and check to see if there are 3 bears in the box.
Curated OER
The Abiotic Limits to Purple Loosestrife Growth
Young scholars investigate the effects of soil temperature, water availability, photo period and other variables of the growth of purple loosestrife. They observe the growing conditions of plants and alter them by adding water, isolating...
Curated OER
5 Types of Chemical Reactions and a Lab on Mole
Students recognize the concepts of the five general types of chemical reaction: combination, decomposition, single replacement, double replacement and combustion. They practice classifying chemical equations and determine the moles in a...
Curated OER
Graphs to Represent a Data Set
By analyzing a word problem about hours worked in a week, scholars get valuable practice with bar graphs and data analysis. They read the scenario, then examine a table of data taken from it. The data includes four days and the...
San José State University
How to Recognize and Eliminate Passive Voice
This handout presents the appropriate times to use the active voice and the passive voice with examples and a short exercise. After reading through the information and examples, pupils transform passive sentences into active sentences.
A...
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.
Curated OER
Add and Subtract Within 20
Break down addition and subtraction into short sentences using this brief instructional activity. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five,...
Curated OER
Addition Practice #1
Show young mathematicians that they are fully capable of mentally adding two-digit numbers. They start by solving 12 two-addend problems (all with two-digit numbers and aligned horizontally). There is no room to show work. Consider...
Curated OER
Count by 100s
In this counting by hundreds to problem solve worksheet, students count and write by hundreds in sequence, add a hundred, and model using flats and rods to solve six problems.
EngageNY
The Geometric Effect of Some Complex Arithmetic 2
The 10th lesson in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary number, and another...
Curated OER
High Frequency Words Worksheet
Use this high frequency words worksheet to help spellers write down the ten words with the -ur sound and complete ten fill-in sentences with the correct word.
Curated OER
Rounding
The two rules of rounding are expertly-covered in this math PowerPoint. Young mathematicians are instructed to look at the number to the right of the place value they must round to. If the number is 0-4, the number stays the same. If the...
Curated OER
Adding Mixed Numbers and Fractions
Once scholars have a grasp on adding fractions, it's time to throw some mixed numbers into the equation! Each of these 14 addition problems has one mixed number and one proper fraction. Skills here include finding a common denominator,...
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Alabama Learning Exchange
Triple Addition Shuffle
Get those kids practicing basic math skills. They practice adding 3 numbers together by playing the game "Triple Addition Shuffle." Each pair of learners shuffles number cards together, places them face down, then flips them over to...
Curated OER
And 1 More Makes...
If we add one more, how many will we have? Beginners to addition practice this skill using images and counting as they draw one more sock to each set and record the new total. There are three of these followed by four more similar...
Illustrative Mathematics
Building toward fluency
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
Curated OER
Multiplying by Two-Digit Numbers
What's the product? Scholars multiply two-digit numbers as they complete 16 multiplication drill equations. There are two examples which demonstrate how to solve these step-by-step. Learners must regroup and show work, as demonstrated in...
Curated OER
Roman Numeration
Gain a deeper understanding of the base 10 system through practicing conversion to Roman numerals through one million. The class is taught how to read the numerals through modeling and guided practice. This lesson includes a homework...
DK Publishing
Sets
Do scholars understand multiplication as sets of numbers? Help them grasp this concept through groups of objects arranged as a makeshift multiplication number sentence. They examine the sets and fill in boxes to indicate how many sets of...
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one...
DK Publishing
Money Word Problems #3
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...
DK Publishing
Learning 6 - Write the Word
Which plate has six cookies? Focus on the number six with novice counters as they solidify single-digit number concepts. Keep in mind pre-readers may have trouble with this, as there are written instructions they will need to...