tags: 4.OA

tags: 4.OA
We found 41 post available for you

Is 2023 a special number?

Algebra Number Sense Current events
1998 was a Harshad year. What do you notice about the number 2023? What is a Harshad number? Does 2023 meet the criteria? Big deal?  Rare?  Often?  

The Algebra of Magic Squares

Algebra Number Sense
Have you seen magic squares before? How could a teacher use these puzzles to help students with different number skills? How few blank cells could you leave? Are there any special cel...

Gauss and our star of stars

Number Sense Geometry Math and Art
How many stars are in this image and how did you count them? For Adventurer members we have a teaching suggestions and our solution sheet.

What time should I wake up?

Number Sense Math and Food Holidays and Annual Events
I'm going to surprise my mom with breakfast in bed for Mother's Day. She wakes up pretty early. When do I have to wake up to pull this off?

April Fool's Day fun

Algebra Number Sense Geometry Holidays and Annual Events Funny
This day is known for pranks and puzzles.   Try one of these 4 activities on April Fools Day. Ask students to analyze where I made my mistake.  PerplexingProblem.pdf CC...

February 22, 2022

Algebra Number Sense Current events
Why do you suppose we are posting this date as a topic for YummyMath? What do you think is so special about this date? Does this happen often?  When might a similar day occur?

Spider-Man continues

Number Sense Ratio and Proportion Data and probability
Spider-Man: No Way Home opened on December 17, 2021.   How much did it cost to make? How much will it gross? Is the Spider-Man phenomena a guarantee for success? How would yo...

Mystical Mathematical Mind Reader

Algebra Number Sense Data and probability
  Clicking on this image will take you to the Mind Reader online site at https://www.transum.org This activity can be used with any grade level elementary through high s...

What's interesting about this number?

Algebra Number Sense Data and probability
  Why did we put it on YummyMath today? What do you notice about this number? What do you wonder? Do you think that this happens often in a year?
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