Lesson 3

Using Ratios

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Students can use the multiplication and division facts for the square numbers to help them solve these problems.

  1. 64,000
  2. 500
  3. 700
  4. 1000
  5. 16,000
  6. 90
  7. 40,000
  8. 3600

K. Multiply and Divide by Multiples of 10

  1. 800 × 80 = ________
  2. 25,000 ÷ 50 = ________
  3. 4900 ÷ 7 = ________
  4. 10,000 ÷ 10 = ________
  5. 40 × 400 = ________
  6. 8100 ÷ 90 = ________
  7. 200 × 200 = ________
  8. 60 × 60 = ________