Equal Groups
Janine had 7 packs of pencils. Each pack had 6 pencils inside. How many pencils does Janine have in all?
42 pencils
Michael had 52 paper clips. He used 25 for a project. How many paper clips does he have left?
27 paper clips
Luke had 4 jars of lava. Each jar has 4 liters of lava inside. How much lava was there altogether?
16 liters
What does 456 round to. Find both the nearest 10 and the nearest 100.
Nearest 10: 460
Nearest 100: 500
What does the digit 5 represent in the number 452?
50
Gregory was watering flowers. He needed 6 liters per plant and he has 9 plants. How many liters of water will he need to water all of the plants?
54 liters
Pam printed 672 pages for the newsletter. She realized she needed 125 more. How many pagers were in the newsletter in total?
797 pages
Anakin filled a balloon with 500 milliliters of water. When it burst, he had to refill it with another 500 milliliters. In total, how many milliliters did he use?
1000 millimeters
Round 515 to the nearest 10 and nearest 100.
Nearest 10: 520
Nearest 100: 500
What is the digit in the thousands place in this number: 2,361
2
Barbra sings carols. She sings 11 sings that are each 3 minutes long. How long is Barbra singing for?
33 minutes
Dwight harvested 573 beets. He sold 289 at the farmers' market. How many beets does he have left?
284 beets
Does R2D2 or C3PO weigh more? R2D2 weighed 491 kilograms. C3PO weighed 567kg. Who weighed more? How many more kg did they weigh?
C3PO weighed 76 more kilograms
Using rounding to the nearest 100, estimate the answer to 359 + 611
400 + 600 = 1000
Which of these numbers has a larger digit in the tens place: 416 or 641
641
Ava has 40 shirts she wants to sell. There are 8 people who each buy the same amount of shirts. How many shirts does each person buy?
5 shirts each
Jim bought 345 balloons for a party. 198 of them popped. How many balloons are left for the party?
147 balloons
Yoda saw two troughs of water. One had 329 liters of water. The other had 477 liters of water. How much water did he see in all?
806 liters
Using rounding (to the nearest 10) estimate the answer to this problem: 326 + 463
330+460=790
What is this number written in expanded form? 1,625
1000+600+20+5=1625
Jacob is doing a science experiment. He has 1500 mL of water. There are 5 groups in his class that each need the same amount of water. How much water will each group get?
300 mL
Angela baked 586 cookies. Andy made 432 cookies. How many more cookies does Angela have than Andy?
154 cookies
Leia had 2899 gold coins. She bought some items at the market for 1548 gold coins. How many gold coins does she have left?
1351 gold coins
What is the rule about rounding when a 5 is in the place value that is helping you determine how to round?
5 always rounds up
Seven hundred forty five