Warmup
Activity #1
Division or Multiplication by the Reciprocal?
(1.) 720 · (0.1)
(2.) 720 · (0.01)
(1.) 36 · (0.1)
(2.) 24.5 · (0.1)
(3.) 1.8 · (0.1)
(4.) 54 · (0.01)
(5.) (9.2) · (0.01)
Activity #2
Multiply two Decimal Numbers.
(1) Find the value of each product below by following the six steps outlined in the applet above.
(i.) (0.3) · (0.02)
(ii.) (0.7) · (0.05)
(2.) Calculate the value of each expression below by writing the decimal factors as fractions, then writing their product as a decimal.
(i.) (0.01) · (0.02)
(ii.) (0.3) · (0.2)
(iii.) (1.2) · 5
(iv.) (0.9) · (1.1)
(v.) (1.5) · 2
Activity #3
Multiply a Whole Number by a Decimal.
Challenge #1
Solve the following problems and choose the correct answer.
Challenge #2
Which expression has the same value as (0.06)·(0.154)?
Challenge #3