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Estimation/Estimacion
Addition/Sumar
Subtraction/Restar
Solve/Resolver
Challenges/Retos
100

Cooper spent $245 at the book fair. Mackenzie spent $189. Estimated to the nearest hundred, about how much did Cooper and Mackenzie spend at the book fair together?

What is $400

100

325+675

Que es 1,000

100
456-123
What is 333
100

Madison and Talia live on the same street as the movie theater. Madison lives farther away from the movie theater than Talia, but since Talia is in between Madison and the movie theater, Madison's mom is picking up Talia so they can go see The Hunger Games together! If Madison lives 3 miles from Talia, and 17 miles from the theater, How far away does Talia live from the movie theater?

What is 14 miles

100

Una rana está en el fondo de un pozo de 10 pies. Cada día sube 3 pies. Cada noche se desliza hacia abajo 1 pie. ¿En qué día llegará a la cima del pozo y escapará? (Días en números)

Que es en el quinto dia!

200

Falls Lake tiene muchos peces diferentes que viven en él. Hay 596 bajos, 611 platijas y 1,089 bagre. ¿Aproximadamente cuántos bagres más hay que la platija redondeada al CIENTO más cercano?

Que es aproximadamente 500

200

4,625+736

What is 5,361

200

1,234-987

Que es 247

200

Keenan tiene peras y naranjas. Tiene 2 peras más que las naranjas. Si la suma total de peras y naranjas es 14, ¿cuántas de cada una tiene? Pista: ¡SORTEO!

Que es 6 naranjas y 8 peras

200
In Mrs. Gardener's garden, there are 5,321 white roses, 3,529 lilies, 1,958 daises, 952 caterpillars, 723 butterflies, and 1,984 tulips. How many different TYPES of flowers are there all together?
What is 4
300
East Carolina University has 28,499 students. NC State University has 31,569 students. About how much bigger is the student population at NC State University than East Carolina University rounded to the nearest THOUSAND?
What is about 4,000
300

695,123+123,456

Que es 818,579

300
65,487-58
What is 65,429
300
Sydney built a pyramid of blocks. She started off with 7 blocks for the base, then each level after that had one less than the one before/below it. How many blocks did she use in total to build the pyramid? DRAW IT OUT!
What is 28
300

En el jardín de la Sra. Gardener, hay 5,321 rosas blancas, 3,529 lirios, 1,958 margaritas, 952 orugas, 723 mariposas y 1,984 tulipanes. ¿Cuántas rosas blancas tiene más que las margaritas?

Que es 3,363

400

Estimate the sum total of the following numbers to the nearest HUNDRED: 536  695  3,050  999

Que es 5,300

400
99,999+111,658
What is 211,657
400

5,000-4,952

Que es 48

400

El granjero Bo tiene vacas y pollos en su granja. En total, hay 38 patas en su granja de vacas y pollos. Si tiene 7 vacas, ¿cuántas gallinas tiene? Sugerencia: DIBUJA

Que es 5

400
What is it called when you are trying to find ABOUT how much two numbers are added or subtracted from each other?
What is estimation
500
Statistically, thus far, there have been 1815 shark attacks in the USA, 1118 shark attacks in Australia, and 537 shark attacks in Africa. About how many more shark attacks have there been in the USA than Australia AND Africa together to the nearest HUNDRED?
What is about 200
500

987,654+321

Que es 987,975

500
1,000-999
What is 1
500

Around the world, there have been a total of 547 shark attacks by Great White sharks, 158 attacks by Bull Sharks, and 213 attacks by Tiger sharks. How many more attacks were caused by Great White sharks than Tiger sharks?

What is 334

500

Si estuviera restando dos números entre sí, pero no tuviera suficiente en mi lugar de miles, ¿a dónde iría para pedir prestado?

¿Que es el lugar de los diez mil?