Lesson 2

Explore Big Numbers with Base-Ten Hoppers

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use DPP item G to provide practice with the multiplication and division facts for 2s and 3s.

  1. 10; 10 ÷ 5 = 2;
    10 ÷ 2 = 5;
    2 × 5 = 10
  2. 24; 24 ÷ 3 = 8;
    24 ÷ 8 = 3;
    3 × 8 = 24
  3. 9; 9 × 2 = 18;
    18 ÷ 9 = 2;
    2 × 9 = 18
  4. 2; 6 ÷ 2 = 3 or
    6 ÷ 3 = 2;
    2 × 3 = 6

G. More Fact Families for × and ÷

Complete the number sentences for the related facts.

  1. 5 × 2 =

    ÷ 5 =

    ÷ 2 =

    2 × =
  2. 8 × 3 =

    ÷ = 8

    ÷ 8 =

    × 8 =
  3. 18 ÷ 2 =

    × 2 =

    18 ÷ =

    2 × =
  4. 3 × = 6

    6 ÷ =

    6 ÷ =

    × 3 =