Estimating and Adding Whole Numbers

Estimating and Adding Whole Numbers

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to break apart addition problems using estimation and place value. It demonstrates adding numbers by estimating sums and then calculating the exact total by adding hundreds, tens, and ones separately. The example of Margo counting manatees is used to illustrate the process, showing that 243 plus 179 equals 422, which is close to the estimated sum of 400. This method helps verify the reasonableness of the calculated sum.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in breaking apart addition problems?

Multiply the numbers

Estimate the numbers

Add the numbers directly

Subtract the numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you simplify the number 243 for estimation?

240

200

250

300

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated sum of 243 and 179?

500

600

400

300

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of estimating numbers before adding?

To make the numbers larger

To make the numbers smaller

To simplify the addition process

To complicate the addition process

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When adding by place value, which place do you start with?

Hundreds

Thousands

Ones

Tens

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the hundreds place in 243 and 179?

400

200

100

300

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving an addition problem using place value?

Estimate the numbers

Add the ones

Add the tens

Add the hundreds

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