IM: 6.5.5: Decimal Points in Products (Lesson)
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Last updated 9 months ago
9 questions
5.1: Multiplying by 10
1
In which equation is the value of x the largest?
In which equation is the value of x the largest?
1
How many times the size of 0.81 is 810?
How many times the size of 0.81 is 810?
5.2: Fractionally Speaking: Powers of Ten
Work with a partner. One person solves the problems labeled “Partner A” and the other person solves those labeled “Partner B.” Then compare your results.
1
Find each product or quotient. Be prepared to explain your reasoning.
Partner A
a. 250 \cdot 1/10 _______
b. 250 \cdot 1/100 _______
c. 48 \div 10 _______
d. 48 \div 100 _______
Partner B
a. 250 \div 10 _______
b. 250 \div 100 _______
c. 48 \cdot 1/10 _______
d. 48 \cdot 1/100 _______
1
Use your work in the previous problems to find 720 \cdot (0.1) and 720 \cdot (0.01). Explain your reasoning.
Use your work in the previous problems to find 720 \cdot (0.1) and 720 \cdot (0.01). Explain your reasoning.
1
Find each product. Show your reasoning.
a. 36 \cdot (0.1) _______
b. (24.5) \cdot (0.1) _______
c. (1.8) \cdot (0.1) _______
d. 54 \cdot (0.01) _______
e. (9.2) \cdot (0.01) _______
1
Jada says: “If you multiply a number by 0.001, the decimal point of the number moves three places to the left.” Do you agree with her? Explain your reasoning.
Jada says: “If you multiply a number by 0.001, the decimal point of the number moves three places to the left.” Do you agree with her? Explain your reasoning.
5.3: Fractionally Speaking: Multiples of Powers of Ten
1
Select all expressions that are equivalent to (0.6) \cdot (0.5). Be prepared to explain your reasoning.
Select all expressions that are equivalent to (0.6) \cdot (0.5). Be prepared to explain your reasoning.
1
Find the value of (0.6) \cdot (0.5). Show your reasoning.
Find the value of (0.6) \cdot (0.5). Show your reasoning.
1
Ancient Romans used the letter I for 1, V for 5, X for 10, L for 50, C for 100, D for 500, and M for 1,000. Write a problem involving merchants at an agora, an open-air market, that uses multiplication of numbers written with Roman numerals.
Ancient Romans used the letter I for 1, V for 5, X for 10, L for 50, C for 100, D for 500, and M for 1,000. Write a problem involving merchants at an agora, an open-air market, that uses multiplication of numbers written with Roman numerals.