Subtraction Teacher Resources
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Subtracting Mixed Numbers
According to Sal, there are two ways to subtract mixed numbers. One can turn both mixed numbers into improper fractions, or one can subtract the whole number parts and then the fraction parts. Sal shows the step-by-step process to subtract mixed numbers by subtracting the whole numbers first and then the fraction portions last.
4 mins 5th - 6th Math 8 Views 10 Downloads
Subtracting Mixed Numbers 2
In order to subtract mixed numbers, sometimes one may need to determine the least common multiple in order to find a common denominator. This is just what Sal does in this presentation. First, he shows how to find a common denominator and then the process needed to subtract two mixed numbers.
5 mins 5th - 7th Math 4 Views 17 Downloads
Adding and Subtracting Fractions
With a pie graph and an infinite blackboard, this video shows how to add, subtract, and simplify fractions. Once he has established the rule, Sal throws the viewer a curve ball with a fraction subtraction problem that results in a negative number.
10 mins 7th - 9th Math 16 Views 29 Downloads
Fraction - Subtracting Unlike Denominators
These presentations by Monica Yuskaitis are particularly good. In this one, she shows viewers how to deal with subtracting fractions that have unlike denominator, no small task! This is a tricky process, and this PowerPoint takes young mathematicians through in clear and logical steps.
4th - 6th Math 33 Views 65 Downloads
Subtracting Numbers without Regrouping
Learners subtract four-digit numbers from larger numbers without regrouping. Pupils play games and use manipulatives to practice problem solving. You will find some useful ideas for solidifying subtraction concepts with your math masters.
3rd - 5th Math 8 Views 119 Downloads CCSS: Adaptable
Subtracting Numbers With Regrouping in the Tens Place
Second graders practice subtracting numbers with regrouping. In this subtraction lesson, 2nd graders participate in a subtraction drill and solve a short subtraction word problem. Students then use bundles of straws to demonstrate how to regroup subtraction problems.
2nd Math 9 Views 91 Downloads
Subtraction With Regrouping
Fourth graders demonstrate how to subtract five digit numbers. In this subtraction computation lesson, 4th graders review how to find the difference using regrouping. Students then read a subtraction word problem involving money and go through the steps of subtracting five digit numbers in order to find the difference.
4th Math 6 Views 44 Downloads
Subtracting Mentally Similar Fractions
Students practice mental subtraction with fractions. Students subtract fractions with like denominators mentally to solve word problems. Students manipulate fraction bars to represent subtraction problems. Students play fraction subtraction games.
4th - 5th Language Arts 3 Views 4 Downloads
Subtraction With Regrouping
Third graders demonstrate how to subtract numbers with regrouping. In this subtraction computation lesson, 3rd graders review the steps of subtracting with regrouping and read subtraction word problems. Students solve these word problems by subtracting the given numbers.
3rd Math 6 Views 41 Downloads
Subtracting 2 Digit Numbers with Regrouping
Students explore subtraction by participating in a role playing activity. In this number sense instructional activity, students complete practice subtraction questions in class and identify real life situations when subtraction is necessary.
1st - 3rd Math 9 Views 25 Downloads
Subtracting with Regrouping
Second graders explore math functions by completing a worksheet in class. In this subtraction lesson, 2nd graders identify the techniques used to assist in subtracting multi-digit numbers. Students complete a subtraction worksheet and collaborate in small groups to participate in a math race activity.
2nd Visual & Performing Arts 5 Views 19 Downloads
Subtracting Similar Fractions
Students explore fractions by completing a worksheet. In this number value instructional activity, students utilize flash cards to view different fractional values and identify which fractions have greater or lesser values. Students practice solving subtraction problems using fractions and complete a worksheet with visual fractions.
3rd - 5th Math 3 Views 6 Downloads