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Doubling and Halving-Oral Questions
In this doubling and halving learning exercise, students answer a set of 12 oral questions about each. An answer key and reference website for additional resources are given.
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Doubles #3
In this doubling worksheet, students double 6 given numbers, writing each beside the original. An answer key and website reference are given.
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Doubling
In this doubling worksheet, students double 6 given numbers, writing the doubled number beside each. An answer key and reference web site are given.
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Doubling
In this doubling instructional activity, students double given numbers, writing answers in boxes beside each. A website reference for additional resources is given.
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Subtraction: Take Whole Tens
In this subtraction learning exercise, students use a number line to help subtract whole tens, 10 problems total. An answer key is included; a website reference for additional activities is given.
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Adding-Written Questions
In this addition worksheet, students answer a total of 10 questions, 4 numeric problems and 6 written in question form. A reference website is given.
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A Metre
In this measurement worksheet, students use a tape measure or a ruler to measure items in the classroom to find those that are greater than 100 cm and less than 100 cm.
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Comparing and Measuring Lines
For this measuring and comparing lines worksheet, students measure lines in centimeters and write which one is longest. A website reference for additional resources is given.
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Comparing and Measuring Lines
In this measurement worksheet, 3rd graders answer 4 questions in which they measure lines in centimeters to find which one is the longest.
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Making lists
In this odd and even number worksheet, students list all the even numbers up to 30 in one box and all the odd numbers to 30 in another.
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Missing Number Activity
For this missing numbers worksheet, students fill in missing numbers in sequences given in 6 rows. An answer key and reference website are included.
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Count in Hundreds: Missing Numbers
In this counting/missing numbers activity, students fill in missing numbers in rows, counting in hundreds. A reference website for additional resources is given.
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Number Tracks-Missing Number Activity
In this missing numbers activity, students fill in missing numbers in a number track, 5 total. An answer key and website reference are included.
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Counting in Tens
In this counting in tens worksheet, students fill in blanks in rows of numbers, counting in tens. A reference website for additional resources is given.
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Counting Back in Tens
In this counting back in tens worksheet, students count down in tens from one number given to another. A website reference for additional activities is given.
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Counting Back in Tens
In this counting by 10's worksheet, students count backwards by 10's, starting from different 2 digit numbers. Students complete 4 problems.
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Complete Number Sentences
For this number sentences worksheet, students fill in missing numbers to make sums correct. A website reference for additional activities is given.
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Know by Heart Addition
In this addition worksheet, student practice answering sets of "know by heart" problems as quickly as possible A reference website for additional resources is given.
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Know By Heart Addition Facts
In this addition facts worksheet, students practice answering addition problems as quickly as possible using numbers 1-10. An answer key is given.
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Missing Number Sum Activity
In this missing number worksheet, students fill in missing addends to reach the sum of 19, 8 problems total, then answer additional related questions.
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Subtraction-Oral Questions
In this subtraction worksheet, students answer a set of 16 oral questions about subtraction. An answer key is included; a website reference for additional activities is given.
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Subtraction
In this subtraction worksheet, students use a given number square to help answer a set of 10 questions. An answer key and website reference are given.
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Subtraction Practice
In this subtraction worksheet, students use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.
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Laboratory: Micro Rockets
If you know how to employ the exothermic reaction between hydrogen gas and oxygen gas to make a miniature rocket, then this worksheet is a fabulous lab sheet for your chemistry charges. First, they observe a spark in pure oxygen and one...
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