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Fill in the blank

Multiplaying a Multi-Digit number by a One-Digit Number
Use the break down method.
14 = 10 + _
(10+4) x 3
(10 x _) + (4 x 3)
30 + _ = 42

1 answer

To fill in the blanks, we can analyze the equation step by step:

First, we have:

  • 14 = 10 + 4

Next, we break down the multiplication:

  • (10 + 4) x 3 becomes (10 x 3) + (4 x 3).

Now, we calculate the parts:

  • 10 x 3 = 30

We need to find 4 x 3:

  • 4 x 3 = 12.

So, we can fill in the blanks:

  • 14 = 10 + 4
  • (10 x 3) + (4 x 3)
  • 30 + 12 = 42.

The filled in sentence is:

  • 14 = 10 + 4
  • (10 + 4) x 3 = (10 x 3) + (4 x 3)
  • 30 + 12 = 42.