Kahoot.it Mental Math Finding Addition Compatibles Use your device - - PDF document

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Kahoot.it Mental Math Finding Addition Compatibles Use your device - - PDF document

Mar 03, 2024 253 likes •368 views

Properties of Multiplication of Whole Reflection Numbers 1. Closure property My dear brothers and sisters, take note of 2. Identity property this: Everyone should be quick to listen, slow 3. Commutative property to speak and slow to become

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SLIDE 1

Reflection

My dear brothers and sisters, take note of this: Everyone should be quick to listen, slow to speak and slow to become angry, because human anger does not produce the righteousness that God desires. James 1:19-20

Properties of Multiplication of Whole Numbers

  • 1. Closure property
  • 2. Identity property
  • 3. Commutative property
  • 4. Associative property
  • 5. Distributive Property
  • 6. Multiplication Property of 0

Kahoot.it

Use your device to navigate to kahoot.it

Today

  • Warm up
  • Stumpers
  • Mental Math

– Finding Addition Compatibles – Finding Multiplication Compatibles – Compensation in Addition – Compensation in Multiplication

  • Quiz

Don’t Forget

  • Turn in

– Assignment

  • Pick up

– Exam 1 Study Questions – Practice 2.1 & THRQ (Combined)

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SLIDE 2

Homework Stumpers Reflection

Though I am free and belong to no man, I make myself a slave to everyone, to win as many as possible. 1 Corinthians 9:19

Reflection

When I said, "My foot is slipping," your love, O Lord, supported me. When anxiety was great within me, your consolation brought joy to my soul. Psalms 94:18-19

Reflection

We remember before our God and Father your work produced by faith, your labor prompted by love, and your endurance inspired by hope in

  • ur Lord Jesus Christ.

1 Thessalonians 1:3

Reflection

My dear brothers and sisters, take note of this: Everyone should be quick to listen, slow to speak and slow to become angry, because human anger does not produce the righteousness that God desires. James 1:19-20

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SLIDE 3

Kahoot.it

Use your device to navigate to kahoot.it

Today

  • Warm up : Properties
  • Mental Math

– Compensation in Addition – Finding Addition Compatibles – Doubling – Finding Multiplication Compatibles – Compensation in Multiplication

Mental Math

  • Try:

– Addition Tricks – Multiplication Tricks

  • Be aware of (reading):

– Subtraction – Division

  • Normally many ways to do the same problem
  • Try it your way

Compensation in Addition

57 + 28 378 + 125 188 + 244

Practice #1

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SLIDE 4

Addition Compatibles

12 + 7 + 58 198 + 17 + 2 285 + 18 + 15 + 7 + 32

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Doubling

223 217 2283

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Multiplication Compensation

10’s, 100’s, 1000’s, … are good! One factor can “give” to another factor 245 2532

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SLIDE 5

Multiplication Using 2, 4, 8, 16…

744 1338

Practice #2 Multiplication Using Distributive

10223 99912

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End of Chapter 2 Assignment 1

Do homework Assignment 1 for next time

Reflection

A friend loves at all times, and a brother is born for a time of adversity. Proverbs 17:17

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SLIDE 6

https://www.youtube.com/watch?v=egy2u5MOoAA

Today

  • Solving Word Problems
  • Automaticity
  • Manipulatives Exercise: Trading Up

Solving Word Problems

In general: words  diagram  arithmetic

Solving Word Problems

  • 1. Read the problem.
  • 2. Write answer sentence (with a blank).
  • 3. Put each fact from the problem into your

diagram (checking off as you go).

  • 4. Label unknown with “?”.
  • 5. Do arithmetic to find “?”.
  • 6. Write your answer.

Example

Jenna brought 17 Red Bulls to school. During Social Studies, she drank 6 Red Bulls, and during Science she drank 5 Red Bulls. How many did she have left?

Practice 7

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SLIDE 7

Example

Ariana got text messages from 23 different guys

  • n Monday. On Tuesday, she got text messages

from 6 fewer guys. How many text messages did she get in all?

Practice 8 Example

Mallory made 29 dives during warm up. She will make 6 dives during the meet. How many dives will she have to make after the meet if she wants to have 40 dives for the day?

Practice 9 Example

Jailene made Minion costumes for each of her 5

  • nephews. Each costume used 2 yards of
  • material. How many yards of material did she

use?

Practice 10

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SLIDE 8

Example

Bobbie has 4 lemon cupcakes. Bobbie has 5 times as many chocolate cupcakes as lemon

  • cupcakes. How many cupcakes does she have in

all?

Practice 11 End of Chapter 2 Assignment 2

Do homework Assignment 2 for next time

Experiment

BLUE YELLOW

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SLIDE 9

BROWN ORANGE PURPLE

Stroop Effect Another Experiment

3

3

3

3

3

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SLIDE 10

7

7

7

9

9

9

9

9

Stroop Effect

Abstract Concrete Semi Concrete

Addition Algorithm Game

  • Trading up

Play a game to 200, rolling 2 dice per turn