West Contra Costa Unified School District
Solving Rational Equations
Scholars first learn to solve two-step equations with fractional coefficients and constants by traditional methods and by clearing the denominator. They continue by learning another approach to solve two-step equations that have decimal...
West Contra Costa Unified School District
Modeling Division of Fractions
Introduce young mathematicians to the process of dividing fractions with a hands-on math lesson. Using the help of fraction strips and other visual models, children work through a series of example problems as they deepen their...
Common Core Sheets
Comparing Fraction Relative Size
Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a instructional activity that has learners comparing fractions by their relative size. Each problem contains...
ProCon
Fighting in Hockey
At best, fighting in hockey makes the sport more entertaining; at worst, fighting could lead to death. Pupils read background information about the prevalence of fighting in hockey since the 1917 formation of the National Hockey League....
Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
It's About Time
Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases and...
Curriculum Corner
Spring Find a Fact Addition
Test scholars' knowledge of addition facts with a festive instructional activity that makes adding a two-person game. Pairs examine a grid of numbers to locate and color addition facts. Last person to color three squares wins!
Curated OER
Skip it to multiply it
First graders make sensible estimates and check the reasonableness of answers.
They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
Curated OER
Subtracting Integers (II)
In this subtraction worksheet, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Curated OER
New to School Student Booklets
Students complete a booklet that describes their experiences in school. They read books about going to school and complete pages about themselves, their teachers and the types of activities they most enjoy.
Curated OER
Working with 10s and 1s, Part 2
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
Curated OER
Doubles
These dragons work as math machines as scholars multiply numbers using given functions, which remain the same for these: double it. Using an example as their guide, learners double three whole numbers, none of which exceed 11, for each...
Curated OER
Comparisons
Explore number value with learners through playing cards. They examine sets of three cards, adding up the value and comparing it to another set of three. Learners write in which is greater than or is less than to show number value...
Curated OER
Counting Money
Money is always a source of interest for young mathematicians, so utilize their engagement by adding up coin values. For each set of coins (quarter, dime, nickel, and penny) scholars count up and write the total. The example has them...
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 two-digit addend. Scholars regroup as...
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...
Curated OER
Working with Coins
Count the correct change with a money math worksheet! Given certain coins, second and third graders add and subtract amounts of money to find the correct change. The worksheet uses pennies, nickels, dimes, quarters, half dollars, and...
Curated OER
Addition - No Regrouping
In this addition instructional activity, 3rd graders solve 30 addition problems with no regrouping. The problems all go up to the ten--thousandths place.
Curated OER
Adding Single-Digit Doubles
In this doubles addition worksheet, students solve 20 problems adding single-digit doubles, determine which doubles add up to given sums and add 10 "near doubles." A website reference for additional resources is provided.
Curated OER
Lowest Common Multiple
In this lowest common multiple worksheet, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.
Curated OER
Addition Fact Worksheet- Level 2
In this addition facts worksheet, students solve 12 problems in which one or two digit numbers are added with sums up to 20. Problems are in a horizontal format.
Curated OER
Height Museum
Here is an engaging lesson which invites learners to cut a strip of adding machine tape that is their height. They decorate their strip, arrange the strips from shortest to longest, and then discuss predictions.
Curated OER
Addition Drills, part 2
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
Curated OER
Solving Word Problems with Fish
Send your class fishing...for the right answers! Small groups collaborate to create math word problems based on the fish in their classroom aquarium or on the aquarium itself. After all groups determine the answer for their ownproblem,...