AnswersSS-Math 7Adding and Subtracting Decimals

Multiplying Decimals Answers

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Which number line correctly shows 0.8 + 0.3?

A
A number line going from 0 to 1.3 in increments of 0.01. An arrow goes from 1.1 to 0.3 and from 0.3 to 0.
Option A
B
A number line going from 0 to 1.3 in increments of 0.01. An arrow goes from 0 to 0.8 and from 0.8 to 1.1.
Option B
C
A number line going from 0 to 1.3 in increments of 0.01. An arrow goes from 0 to 0.8, and then backwards from 0.8 to 0.5.
Option C
D
A number line going from 0 to 1.3 in increments of 0.01. An arrow goes from 0.3 to 1.1 and then backwards from 1.1 to 0.8.
Option D
3

Which number line correctly shows –0.8 + 0.6?

A
A number line going from negative 1.6 to positive 1.6. An arrow goes from negative 0.8 to negative 0.2, and then backwards from 0 to negative 0.8.
Option A
B
A number line going from negative 1.6 to positive 1.6. An arrow goes from 0 to negative 0.8 and then from negative 0.8 to negative 1.4.
Option B
C
A number line going from negative 1.6 to positive 1.6. An arrow goes from 0 to 0.8 and then from 0.8 to 1.4.
Option C
D
A number line going from negative 1.6 to positive 1.6. An arrow goes from negative 0.6 to 0.2 and then from 0 to negative 0.6.
Option D

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