Curated OER
Worksheet #10
In this mathematics worksheet, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
Curated OER
Subtract Tens on a Hundred Chart
In this subtraction worksheet, 2nd graders focus on the skill of regrouping. Students solve 10 two digit subtraction problems mastering the necessary regrouping of tens.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Curated OER
Chart Trivia
Learners practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
Curated OER
Let's Trade
Second graders engage in a instructional activity which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Subtracting Greater Numbers
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
Curated OER
Matter
Students complete a unit of activities to learn about states of matter and how to measure matter. In this matter activity, students complete 8 lessons to learn about matter, its states, and how to measure matter.
Curated OER
Market Prices
Second graders understand that prices change. In this business, price and labor lesson, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
Curated OER
Place Value Popsicles
Students play a place value game using popsicle sticks and dice. They investigate units and tens.
Curated OER
Subtracting Decimals
In this subtraction of decimals learning exercise, students subtract decimals in 40 problems. These are 2 digit problems, written vertically, some with regrouping.
Curated OER
Let's Shop
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, learners add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Curated OER
Unit 2 Sun & Stars
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
Curated OER
I'm done! Now, what can I do in Math?
Here are some ways to avoid having bored students or a stressed out teacher when students finish their math work quickly.
CK-12 Foundation
Ck 12: Elem Math: Subtraction 3 Digits Minus 2 Digits
[Free Registration/Login may be required to access all resource tools.] The video describes how to use regrouping when subtraction a two-digit number from a three-digit number. The video is followed by additional problems for students to...
CK-12 Foundation
Ck 12: Elem Math: Subtraction 3 Digits Minus 3 Digits
[Free Registration/Login may be required to access all resource tools.] The video shows how to subtract 3-digit numbers without regrouping. The video is followed by additional problems for students to practice the skills discussed in the...
NumberNut
Number Nut: Subtraction: Subtracting From Three Digit Numbers
Explains how to subtract from three-digit numbers, with or without regrouping.
Other
Nearpod: Subtraction With Regrouping: Three Digit
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.