## Sunday, January 30, 2022

### Tuesday by David Wiesner

Tuesday by Wiesner is mostly a  wordless book, a mystery, maybe an opportunity to connect to problem-solving.

### Two of Everything Book by Lily Toy Hong

In this book, everything the main character puts in a magic pot doubles! This could be a fun book to correlate with input/output math tables!

### One Grain of Rice by Demi

This book is about doubling and would go great with working on addition doubles or multiplying by 2, or exponential functions.

## PUZZLES AND MORE

Mash-Up Math has SIX free activities for K - 8.

MATH = LOVE HAS A TWOS-day puzzle.

Don Steward puzzle with "halving."

Don Steward puzzle using both doubling and halving.

Cool Math Trick (the answer is always 2!)

BTW ... here's another version of a math trick that results in 2 every time ... why not ask students to create their OWN math trick that results in 2 every time!

• Think of a whole number 1 through 10 (We’ll use 6)
• Double it (6×2=12)
• Divide by 2 (16÷2=8)
• Subtract the original number (8-6=2)
• The answer is always 2!

FOUR Twos - what values can you make using only 4 twos?

## EXTRA Puzzles

(1) Multiply the first three problems in the puzzle below. Can you determine the product for the last two using the pattern from your work?
(2) Calculate -