Round to the nearest 10
Round to the nearest 100
Equations
I Have...Who Needs
Word Problems
100

42 rounded to the nearest 10.

What is 40?

100

342 rounded to the nearest 100.

What is 300?

100

348 + 578

What is 926?

100

In the game, "I have, who needs" to make 100, if I had 89, I would need...

What is 11?

100

Conrad is making bread. After he mixes the ingredients together, he has to let the bread rise for 95 minutes. Then the bread will bake for 58 minutes. How long will it take for the bread to rise and bake?

What is 153 minutes total?

200

85 rounded to the nearest 10

What is 90?

200

485 rounded to the nearest 100.

What is 500?

200

512 -339

What is 173?

200

In the game, "I have, who needs" to make 100, if I had 51, I would need...

What is 49?

200

Saima is training for a bike race. On Saturday, she rode her bike for 172 minutes. On Sunday, she rode for 153 minutes. How many minutes did Saima ride her bike over the weekend?

What is 325 minutes?

300

629 rounded to the nearest 10

What is 630?

300

629 rounded to the nearest 100.

What is 600?

300

743 + 462

What is 1,205?

300

In the game, "I have, who needs" to make 100, if I had 9 I would need...

What is 91?

300

In one week, Akira rode her bike 87 miles. Taro rode his bike 51 miles. How many more miles did Akira ride?

What is 36 miles?

400

812 rounded to the nearest 10.

What is 810?

400

812 rounded to the nearest 100.

What is 800?

400

743-275

What is 468?

400

In the game, "I have, who needs" to make 1000, if I had 360, I would need...

What is 640?

400

After two weeks, Akira and Taro biked a total of 276 miles. After 3 weeks, they had biked a total of 413 miles. How many miles did they bike in the third week? (Hint: How much farther had they biked at the end of the third week than at the end of the second week?)

What is 137 miles?

500

2,167 rounded to the nearest 10.

What is 2,170?

500

6,384 rounded to the nearest 100.

What is 6,400?

500

Use the constant difference strategy to solve.

400-278

What is 122?

500

In the game, "I have, who needs" to make 1000, if I had 475 I would need

What is 525?

500

Akira and Taro want to raise $537. After four weeks, they have raised $498. How much more money do they need to earn?

What is $39?