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Cogito

Grade 6 Math · Chapter 4 · Lesson 1

Practice Worksheet

Numbers Below Zero

Zero is a starting point, not the end of the line.

10 problems · about 17 minutes · 6.NS.C.5, 6.NS.C.6, 6.NS.C.7

NameDate

Figure — use these to answer the problems

Move along the line and watch which side of zero you land on.
-10-8-6-4-202468103-2
3 + (-5) = -2
Start at3
Move by-5
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Pulling Out a Common Factor”

    Greatest common factor of 16 and 24?

    Answer

  2. From “Adding and Subtracting Decimals”

    6.4 + 2.75 = ?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. Which is smaller, −11 or −4?

    • −11.
    • −4.

  2. What does the minus sign in −5 say?

    • Which side of zero it is on.
    • To subtract something.

  3. Which is smaller, −6 or −2?

    • −6.
    • −2.

  4. What is the opposite of 12?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Which is smaller, −1 or 0?

    • −1.
    • 0.

  2. How far is −7 from zero?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. The Opposite

    What is the opposite of −8?

    Answer

  2. The Colder Day

    Which is colder, −4 degrees or −9 degrees?

    • −9 degrees.
    • −4 degrees.