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How can these models be used to find the sum 2.42 + 1.9?



Enter your answers in the boxes.

The models show a total of 3 wholes,
tenths, and
hundredths. After regrouping 10 tenths into 1 whole, there are
wholes,
tenths, and
hundredths. Therefore, the sum of the numbers is
. pls hurry 100 points

How Can These Models Be Used To Find The Sum 242 19 Enter Your Answers In The Boxes The Models Show A Total Of 3 Wholes Tenths And Hundredths After Regrouping 1 class=

Sagot :

Mhanifaidn

Answer:

  • 4 wholes, 3 tenths and 2 hundredths

or

  • 4.32

Step-by-step explanation:

According to the model we have:

  • 2.42 = 2 wholes, 4 tenths and 2 hundredths
  • 1.9 = 1 whole and 9 tenths

Sum up:

  • 2 + 1 = 3 wholes
  • 4 + 9 = 13 tenths = 1 whole and 3 tenths
  • 2 hundredths

Regroup the wholes to get:

  • 3 + 1 = 4 wholes, 3 tenths and 2 hundredths

In decimal form it is:

  • 4.32
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