Basic Arithmetic Operations and Concepts

The video tutorial covers topic 8 assessment practice, focusing on addition, subtraction, estimation, and rounding techniques. It explains how to calculate sums, estimate by rounding, and perform subtraction with regrouping. The tutorial also explores the commutative and associative properties of addition, inverse operations, and patterns. It concludes with exercises on rounding and mental math strategies.

What is the sum of 243 and 132?

• 375

• 500

• 375

• 532

When adding 375 and 157, what is the result?

• 157

• 532

• 500

• 375

What is the sum of 3 and 2?

• 8

• 5

• 6

• 7

How do you estimate 170 plus 70 by rounding to the nearest ten?

• 300

• 250

• 240

• 200

What is the estimated sum of 200 plus 100 when rounded to the nearest hundred?

• 300

• 200

• 400

• 500

What is the result of 382 minus 148?

• 234

• 300

• 250

• 200

What is the difference between 765 and 333 when rounded to the nearest hundred?

• 400

• 500

• 600

• 700

What is the result of 634 minus 528?

• 106

• 100

• 110

• 120

Which property is demonstrated by 32 + 56 = 56 + 32?

• Commutative

• Identity

• Distributive

• Associative

What is the sum of 332 and 154?

• 486

• 500

• 450

• 400