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Curated OER
Add and Subtract with Hudson River shipping
Rivers aren't just a place for animals to live, they also provide industrial transportation. The class will examine the Hudson River on a map, discuss all the commercial vessels that use the River to transport materials, then complete a...
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Telling Time - Online Games
A variety of resources are included here that will help your young learners tell time using either an analog or digital clock. The first resource listed, called "Teach Clock" is amazing! You can add or subtract time. Post it on your...
Curated OER
Time to Trick-or-Treat!
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
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Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
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Mentally Add and Subtract 10 or 100
Here are some number lines that need to be completed. There are two number sequences, one to test addition skills and the other for subtraction. Both sequences include counting by 10, but the subtracting question has scholars count...
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Problems Using Time
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
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Math in English Skills I Exercise Book: Addition and Subtraction
Whether your pupils need extra help or they simply need to practice their basic computation skills, this packet will do the trick. It includes a written rationale, answer key, and over 10 pages of double-digit addition and subtraction...
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Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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Adding and Subtracting Time
In this time activity, students complete a set of 7 problems, adding and subtracting times. Students are given an example at the top of the page, answers are included on page 2.
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Add and Subtract within 100- Matching Worksheet
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
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Learning to Add and Subtract
Young learners practice addition and subtraction to solve problems. They use a webquest application to model how to solve math problems using pictures, words and numbers, and also practice using multiplication and division.
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
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4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently.
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
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Computing Time With One Clock
In this computing time with one clock worksheet, students examine and practice adding and subtracting time based on what a clock shows.
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Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to purchase and estimate...
Scholastic
Problem-Soving Strategies, Practice 1: Sample
A variety of word problems help your learners examine the ways that they find solutions. Each question provides opportunities to add, subtract, and multiply time, measurements, and money.
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I'll Halve S'More, Please!
Learners describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
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Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
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On the Trail of the Blue Crab
Third graders read the article "Blue Claw," discuss crab migration, and look at a map of the Hudson River. They complete a worksheet where they must use subtraction to determine the distance migrating crabs travel.Web links, article, and...
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How to Calculate Time
Students complete a worksheet. In this calculations lesson plan, students learn factual information about computing time with clocks, calendars and eras. Students show their knowledge by completing a worksheet.
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How to Work With Time Zones
Students solve time zone problems. In this time zone lesson, students view a time zone map and learn about the 24 time zones. Students are given a worksheet where they compute the time in different areas.
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Addition and Subtraction: Basic Word Problems
For this work problem worksheet, students complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.