Multiplication - Basic Drills and Powers of 10

Grade Levels
3rd - 7th
Standards
Formats Included
  • PDF
Pages
85 pages
$16.00
$16.00
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Description

Multiplication is the basis for calculations that students perform beyond the early years of their schooling. Often these fundamental skills are assumed and students lose confidence in middle to senior years of schooling. This is evident in topics such as Algebra and Measurement.

This book can be used as follows

- a book to review basic multilpication properties and multiplication tables.

- investigate multiplication and division using powers of ten (eg. 10, 100, 1 000) and their multiples (eg. 20, 300, 5 000)

- complete exercises involving multiplication and division using powers of ten and their multiples.

- investigate multiplication and division using simple decimals (eg. 0.1, 0.05)

- complete exercises which are based on the whole numbers, 1 to 12. In each quiz the questions are of increasing difficulty, incorporating multiples of powers of ten.

- complete puzzles, from easy to challenging, which build on students' grasp of multiplication tables.

Total Pages
85 pages
Answer Key
Included
Teaching Duration
1 Year
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Standards

to see state-specific standards (only available in the US).
Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.
Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
Apply properties of operations as strategies to multiply and divide. 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.)
Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = __ ÷ 3, 6 × 6 = ?.
Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.

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