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Using Times Tables and Place Value to Multiply Mentally WORKSHEET
Suitable for Grades: 3rd Grade
CCSS: 3.OA.B.5, 3.OA.C.7
CCSS Description: Apply properties of operations as strategies to multiply and divide.2 Examples: If 6 × 4 = 24 is known, then 4 × 6 = 24 is also known. (Commutative property of multiplication.) 3 × 5 × 2 can be found by 3 × 5 = 15, then 15 × 2 = 30, or by 5 × 2 = 10, then 3 × 10 = 30. (Associative property of multiplication.) Knowing that 8 × 5 = 40 and 8 × 2 = 16, one can find 8 × 7 as 8 × (5 + 2) = (8 × 5) + (8 × 2) = 40 + 16 = 56. (Distributive property.)
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
Using Times Tables and Place Value to Multiply Mentally WORKSHEET DESCRIPTION
students will use their knowledge of times tables up to 12 x 12 and of place value to begin to multiply two and three digit numbers mentally.
The worksheet begins with children answering questions on multiplying and dividing by 10 and 100. Next a match up activity enables students to see the link between 3 x 40 and 3 x 4 x 10. Then given multiplication facts, learners will answer a series of related questions such as if 80 x 4 =320 then what does 40 x 80 = . Lastly, students answer 9 questions with reducing scaffolding on multiplying multiples of 10 or 100 by single digits.
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This using times tables and place value to multiply mentally worksheet is designed for students in 3rd Grade and aligns with Common Core State Standards.