Clue Words
Rounding 10/100
Two-Step
Estimate Sums and Differences
Random
100

A clown gave away 83 balloons to girls and 22 balloons to boys. How many balloons did he give away in total?


What are the clue words in this problem?

gave away and in total 

100

348 rounded to the nearest 10.

350

100

Mr. Lopez and Mrs. Bianco have 14 slices of pizza for lunch.  If Mr. Lopez eats 3 slices and Mrs. Bianco eats 5.  How many slices do they have left? 



6 slices

100

To the nearest ten... 

Estimate the difference...

68 - 43 =

about 30

100

What operation would you use when you see the word altogether?

Addition

200

A farmer had 85 tomatoes in his garden. If he picked 74 of them, how many would he have left?

What are the clue words in this problem?

picked and have left

200

148 rounded to the nearest 100

100

200

Joey has 125 minutes of free time before he starts his homework. He rides his bike for 35 minutes and eats snack for 15 minutes. How many minutes of free time does Joey have left? 

75 minutes


Bonus: What is 75 minutes equal to? Represent in hours and minutes. 

200

To the nearest ten... 

Estimate the sum...

124 + 37 =

about 160

200

Cooper scored 16 points in the soccer game. Ana scored 12 points more than Cooper. How many points did they score in total?

28 points

300

A fast food restaurant had 100 hot dogs. They sold 47. How many hot dogs do they have left?

What are the clue words in this problem?

sold and have left

300

526 rounded to the nearest 10

530

300

Jack has 42 baseball cards. He gives away 12 to Jose and gets 9 more from his cousin. How many baseball cards does Jack have now?

39 cards

300

To the nearest hundred... 

Estimate the sum...

342 + 197 =

about 500

300

Mrs. Smith's class made bookmarks for Halloween. They made 14 pumpkins and 23 bats.  At the end of the day, they brought 19 bookmarks home.  How many were left at school? Which equations could be used to solve this problem?

A. 14 + 23 + 19 = B

B. 14 + 23 - 19 = B

C. 23 - 19 + 14 = B

D. 19 - 14 + 23 = B

B and C

400

Maya had 13 lollipops and her teacher gave her 6 more. How many lollipops does Maya have altogether?

What are the clue words in this problem?

gave, more and altogether 

400

1,374 rounded to the nearest 100

1,400

400

While playing a game, Rosa scored 67 points. The next game, she scored another 23 points. If she lost 35 points in her last game, how many points would she have in total?

55 points

400

To the nearest hundred... 

Estimate the difference

567 - 324 is about _________

about 300

400

What does CUBES stand for?

C = Circle the numbers and units

U = Underline the final question

B = Box the actions words that help you know what operation to use

E = Evaluate, what do you know and what do you need to figure out?

S = Solve and check your answer for reasonableness

500

Anne has 7 shirts. Becca has 3 fewer shirts than Anne. How many shirts does Becca have?

What is the clue word in this problem?

Fewer

500

683 rounded to the nearest 10

680

500

Mrs. Brouse has 146 masks to give out to Bugbee students.  She gave out 33 masks to students in third grade and 23 masks to students in fourth grade.  How many more masks does she have to give out?


90 masks

500

To the nearest hundred... 

Estimate the sum...

459 + 274 = 

about 800

500

Ms. Vlosky ordered new books for the Bugbee library from a variety of genres.  She ordered 37 mysteries and 25 fantasy books.  The 3rd graders were so excited to read the new books!  Ms. Vlosky visited the first third grade class who took out 22 books.  How many books were available for the rest of the third graders to read?

Which equations could be used to solve this problem?

A. 3+3+3+37+25 = X

B. 37 +25 + 22 = X

C. (25 - 22 ) + 37 + X

D. (37 + 25) - 22 = X

C and D