Addition
Subtraction
Rounding
Fractions
Logic
100

Add:

683 + 315

998

100

subtract 567-342

225

100

Round 26 to the nearest 10

30

100

If Kevin ate 3 pieces of pizza and there are 12 pieces in the whole pizza, give a fraction showing the pieces that are left.

9/12

100

Three friends — Sam, Mia, and Leo — each have a different favorite fruit: apple, banana, and orange.

Clues:

  1. Sam does not like the banana.

  2. Mia’s favorite fruit is orange.

Question:

Which fruit does each friend like?

  • Sam → Apple

  • Mia → Orange

  • Leo → Banana

200

Add: 432 + 132 + 234

798

200

Subtract 876-558

318

200

Round 94 to the nearest 10.

90

200

A Hershey bar has 8 sections. If I give 4 friends equal amounts, what fraction shows how much each person gets?

2/8

200

Three friends — Alex, Ben, and Cara — each have a different pet: a dog, a cat, and a fish.

Alex does not have the dog. Ben does not have the fish. Cara does not have the cat.

Which pet does each friend have?









  • Alex has the cat

  • Ben has the dog

  • Cara has the fish

300

Add 765+765

1,530

300

Subtract 806-543

263

300

Round 391 to the nearest 10.

390

300

Emma has 12 crayons. She gives 4 crayons to her friend. What fraction shows how many crayons she kept?

8/12

300

Four kids — Ava, Ben, Carlos, and Dina — each chose a different animal for a school project: a lion, tiger, bear, and elephant.

  1. Ava did not choose the lion or the bear.

  2. Ben chose an animal that starts with the same letter as his name.

  3. Carlos did not choose the elephant.

  4. Dina chose an animal that is bigger than Carlos’s animal.

Question:
Which animal did each child choose?

  • Ben → Bear

  • Ava → Elephant

  • Carlos → Lion

  • Dina → Tiger

400

Add 1,654 + 345

1,999

400

Subtract 7,005-6,443

562

400

Round 451 to the nearest hundred.

500

400

Ava baked 12 muffins. She put 3 on a plate and gave 2 to a neighbor. What fraction of the muffins are left in the pan?

7/12

400

Five kids — Anna, Ben, Chloe, Diego, and Ella — each brought a different snack to school: apple, banana, cookies, granola bar, and yogurt.

Clues:

  1. Anna did not bring fruit.

  2. Ben brought something you do not need to peel.

  3. Chloe brought something sweet, but it was not cookies.

  4. Diego did not bring yogurt or fruit.

  5. Ella brought fruit, but it was not an apple.

  6. The granola bar was brought by someone whose name has 4 letters.

Question:
Which snack did each child bring?

  • Anna → Granola bar

  • Ben → Cookies

  • Chloe → Yogurt

  • Diego → Apple

  • Ella → Banana

500

Add 43,675 + 27,876

71,551

500

Subtract 10,000-9,654

346

500

Round 949 to the nearest hundred.

900

500

There are 16 ornaments hanging from the Christmas tree. Mom adds 5 more ornaments, but accidentally breaks 3. Hannah and her sister divide the remaining ornaments between the 2 of them. What fraction of the ornaments do Hannah and her sister get?

9/18

500

Five kids — Alex, Brianna, Caleb, Daisy, and Ethan — each chose a different book genre for reading time:
Mystery, Fantasy, Science, History, and Poetry.

Each child reads a different genre.

Clues:

  1. Alex did not choose Mystery or Science.

  2. Brianna chose a genre that is not fiction.

  3. Caleb chose Fantasy or Mystery.

  4. Daisy chose a genre that comes later in the alphabet than Alex’s genre.

  5. Ethan did not choose Poetry or History.

  6. The Science book was chosen by someone whose name has 5 letters.

  7. The History book was chosen by a girl.

  • Alex → Fantasy

  • Brianna → History

  • Caleb → Mystery

  • Daisy → Poetry

  • Ethan → Science

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