1. Kahoot! Warm-Up Lesson 13 Exit card
Agenda
Kahoot!
Warm-Up
Lesson 13
Exit card

2. Warm-up
Simplify each expression. [-(-4)3] -3 + (-4) – (-8)

3. Lesson 13: calculating and comparing square roots
A perfect square is a number that is the square of an integer. 𝟑 𝟐 = 𝟏𝟒 𝟐

4. A radicand is the number or expression under a radical symbol 𝟏𝟔 3 𝟏𝟎

5. A square root of x, written 𝑥 is the number whose
square is x. 81

6. In your notes, make a list of the square numbers from 1 2 to 20 2

7. Estimating square roots
Estimate the value of 𝟕𝟓 to the nearest integer. Explain your reasoning.

8. Compare the expression. Use <, >, or =. 𝟖𝟏 - 16 _____ 𝟐𝟓 + 𝟒

9. A shopper got a bargain on 361 brick patio tiles, each 1- foot square
A shopper got a bargain on 361 brick patio tiles, each 1- foot square. What is the side length of a square patio made with the tiles? Explain.