Question

Estimate each to nearest ten of 56+29

Answer 1

56 + 29 = 90 (to nearest 10)

Given:

56 + 29

To find:

Estimated value of 56 + 29 to nearest 10

Step-by-step explanation:

Step 1.

The first number is 56.

Its left and right multiples of 10 are 50 and 60 respectively.

56 - 50 = 6, 60 - 56 = 4

Since 4 < 6, estimated value of 56 to nearest 10 is 60.

Step 2.

The first number is 29.

Its left and right multiples of 10 are 20 and 30 respectively.

29 - 20 = 9, 30 - 29 = 1

Since 1 < 9, estimated value of 29 to nearest 10 is 30.

Step 3.

Now, 56 + 29

= 60 + 30 (to nearest 10)

= 90 (to nearest 10)

[Refer to the attached image.]

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