650 QT-N-633 Lesson - Multiply and Divide by Powers of Ten
 Multiply and Divide by Powers of Ten86 × 1,000 = 86,000 42.7 × 0.01 = 0.427 4 ÷ 100 = 0.04 62.3 ÷ 0.001 = 62,300 45.3 × 1,000 = 45,30045.3 × 100 = 4,53045.3 × 10 = 45345.3 × 1 = 45.345.3 × 0.1 = 4.5345.3 × 0.01 = 0.45345.3 × 0.001 = 0.0453 Multiply by Powers of Ten move the decimal         RIGHTmove the decimal         LEFTMultiply by Powers of Ten{{45.3 × 1,000 = 45,30045.3 × 100 = 4,53045.3 × 10 = 45345.3 × 1 = 45.345.3 × 0.1 = 4.5345.3 × 0.01 = 0.45345.3 × 0.001 = 0.0453  Move the decimalpoint to the n × 1,000n × 100n × 10For any number, n, match the rules below.right →?Move the decimalpoint to the n × 0.001n × 0.01n × 0.1← left? n × 1,000n × 100n × 10n × 1n × 0.1n × 0.01n × 0.001RuleMatch Each Rule BelowMove the decimal point:3 spaces right →?2 spaces right →?1 space right →?no change?1 space left ←?2 spaces left ←?3 spaces left ←? 0.32 × 0.01 =18 × 1,000 =4.2 × 100 =643 × 0.1 =Use the rules to find theseproducts mentally:***Do notforget to putcommas orthe initial zero 623.4 ÷ 1,000 = 0.6234623.4 ÷ 100 = 6.234623.4 ÷ 10 = 62.34623.4 ÷ 1 = 623.4623.4 ÷ 0.1 = 6,234623.4 ÷ 0.01 = 62,340623.4 ÷ 0.001 = 623,400Divide by Powers of Ten move the decimal         LEFTmove the decimal         RIGHTDivide by Powers of Ten{{623.4 ÷ 1,000 = 0.6234623.4 ÷ 100 = 6.234623.4 ÷ 10 = 62.34623.4 ÷ 1 = 623.4623.4 ÷ 0.1 = 6,234623.4 ÷ 0.01 = 62,340623.4 ÷ 0.001 = 623,400 Move the decimalpoint to the n ÷ 1,000n ÷ 100n ÷ 10For any number, n, match the rules below.← left?Move the decimalpoint to the n ÷ 0.001n ÷ 0.01n ÷ 0.1right →? n ÷ 1,000n ÷ 100n ÷ 10n ÷ 1n ÷ 0.1n ÷ 0.01n ÷ 0.001RuleMatch Each Rule BelowMove the decimal point:2 spaces right →?1 space right →?3 spaces right →?2 spaces left ←?1 space left ←?3 spaces left ←?no change? 2,340 ÷ 1,000 =32.5 ÷ 0.01 =42 ÷ 100 =64.3 ÷ 0.1 =Use the rules to find thesequotients mentally:***Do notforget to putcommas orthe initial zero
Students who took this test also took :

Created with That Quiz — the site for test creation and grading in math and other subjects.