Lesson 4

Compact Multiplication Revisited

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use this DPP item to practice multiplication and division with the last six facts using numbers that are multiples of 10.

Division problems may vary. One solution is given for each.

  1. 240; 240 ÷ 40 = 6

  2. 280; 280 ÷ 70 = 4

  3. 420; 420 ÷ 7 = 60

  4. 560; 560 ÷ 70 = 8

  5. 4800; 4800 ÷ 80 = 60

K. Multiples of 10 and 100

Solve each problem. Then write a related division problem. The first is an example.

Ex.  4 × 80 = 320       320 ÷ 4 = 80

  1. 40 × 6 =

  2. 70 × 4 =

  3. 60 × 7 =

  4. 8 × 70 =

  5. 80 × 60 =