Rounding
Two-Digit Addition
3-Digit Addition
Subtraction
Mystery
100

What ten does 68 round to? 

70

100

What is 26+65? 

91

100

What is 250 + 350? 

600

100

What is 45-22?

23

100

What is Mrs. McCaffery's first name? 

Lydia

200
How do you round 783 to the nearest hundred? 

800

200

Dottie and Harmony were collecting pictures of chihuahuas. Dottie collected 54 pictures and Harmony collected 42. What is the total number of pictures they found?

96

200

Asher and Nikko are working on adding 496 to 319 using the give and take strategy. If they give 4 to 496 and take it from 319, what are the two new numbers they are adding? 

Bonus: what is the final sum? 

500 and 315

Bonus: 815

200

What is 86-47?

39

200

What time do we leave for lunch?

11:45

300
What is a number that would round to 300? 

Any number between 250 and 349.

300

What is 59+59?

118

300

Cash is working on a construction project. He used 172 pieces of wood and 456 nails. How much supplies did he use all together? 

628

300

Kade did 59 math problems and Parker did 43 math problems. How many more math problems did Kade do than Parker? 

16

300

What is our current unit of inquiry?

Bonus: Where can you find out?

Sharing the Planet: Over time, living things adapt to their unique environments. 

Bonus: On the back wall, the inquiry board. 

400

What two hundreds does 460 fall between? 

400 and 500

400

What is one strategy you can use to solve an addition problem? 

Number Line

Give and Take

Mountain Strategy

Standard Algorithm

Add the hundreds, tens, and ones.

400

Susan and Hannah were solving math equations. They got that 285+463=748. Are they correct? 

Yaaassss

400

What is 91-55?

36

400

What are the names of our three pet ducks? 

Frederick

Albert

Timothy

500

Anchor is trying to figure out how to round 648 to the nearest HUNDRED. Brody offered to help him figure it out and suggested he look at the TENS PLACE to determine which way to round. What digit are they looking at, the 6, 4, or 8? What will 648 round to? 

The 4; 600. 
500

Avery spent 45 minutes playing Roblox and Mav spent 37 minutes playing Minecraft. How many minutes did the two boys spend playing games in all? 

82

500

What is 168+235?

403

500

Mia had 85 stickers. She gave 18 stickers to Maddie and 18 stickers to Luella. How many stickers does Mia have left now?

49

500

What is our room number?

22

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