Lesson 4

Compact Multiplication Revisited

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

In this DPP item, students review some of the division facts for the last six facts while playing Operation Target.

  1. 6

  2. 10

  3. 10

  4. 15

Challenge: Responses will vary.

Two possible number sentences:

64 ÷ 8 – 7 = 1

(6 – 4) – (8 – 7) = 1

L. Operation Target

Romesh and Tanya are playing Operation Target using the digits 4, 6, 7, and 8. They use all four digits one time in a number sentence to find target numbers. They can use any of the four operations (+, −, ×, ÷). Use the order of operations to find their target numbers.

  1. (48 − 6) ÷ 7 =
  2. 7 + 4 × 6 ÷ 8 =
  3. (7 × 8 + 4) ÷ 6 =
  4. 7 + 48 ÷ 6 =

Challenge:
Use Romesh and Tanya's rules to find the target number 1.