WORKSHEETS

MASTER ANSWER KEY: Unit 1

The Base Ten System

Status: [DEBUGGING MODE ACTIVE]

PART 1: QUICK CHECK KEY

Use this section to quickly grade your work. If you get an answer wrong, go to Part 2 to see why.

Student Guidebook: Stop & Checks

1.1: 1) 60, 2) 70, 3) Bigger (10x)

1.2: 1) Five and two hundredths, 2) Hundredth, 3) 2.009

1.3: 1) 8.6, 2) 1.0, 3) Tenths

Resource Pack: Drills

Drill 1.1 (Power Shifting):

  1. <, 2) >, 3) >, 4) <, 5) <, 6) >, 7) <, 8) >, 9) >, 10) <

  2. <, 12) <, 13) =, 14) >, 15) >

<, 17) >, 18) <, 19) <, 20) >

Drill 1.2 (Expanded Form):

  1. (2 x 1) + (5 x 1/10)

  2. (6 x 1) + (1 x 1/10) + (3 x 1/100)

  3. (4 x 1/10) + (5 x 1/100)

  4. (1 x 10) + (2 x 1) + (8 x 1/10)

  5. (3 x 1) + (4 x 1/100)

  6. (5 x 1) + (1 x 1/10) + (2 x 1/100) + (3 x 1/1000)

  7. (9 x 1/1000)

  8. (7 x 1) + (7 x 1/10) + (7 x 1/1