Use "Constant Difference" to fill in the blank:
994 - 203 = _____ - 200
991
Round 16,812 to the nearest thousand.
17,000
Fill in the missing boxes on the chart.

8,000
10,000
18,000
Solve the problem. Tell what method you chose to solve and explain why.
997 + 548
Options: Give and Take, Standard Algorithm, Break them up, Number Line
1,545
Malia did her homework in 19 minutes and 11 seconds. Her sister Macy did her homework in 23 minutes and 8 seconds. Who was slower? By how much?

Macy was slower by 3 minutes 57 seconds
Solve the problem. Tell what method you chose and explain why.
10,500 - 6988
3,512
Round 676,527 to the nearest ten thousand
680,000
Gretchen ran a 10K, a 5K, and another 10K. How many METERS did she run in all?
25,000 meters

83,204
Ryan won the first race in 12 minutes and 18 seconds. Jack won the second race in 13 minutes and 6 seconds. Who was faster? By how much?
Ryan won by 48 seconds

Tell what method you used and explain why.
9,089
Fill in the missing boxes on the chart.

490,106
400,000 + 90,000 + 100 + 6
Fill in the missing boxes on the chart.

180
360
600
10,201 + 5,696
15,897
Jake ran a race in 10 minutes at 31 seconds. Grant ran the same race in 9 minutes and 52 seconds. Who was faster? By how much?

Grant was faster by 39 seconds
Fill in the blanks using the constant difference strategy.
54 – 11 = _____ – 10
27 – 19 = ______ – 22
2282 – 199 = 2283 – _________
53
30
200
Round 13,094,211 to the nearest…
ten thousand: ___________
million: ____________
ten thousand: 13,090,000
million: 13,000,000
Which objects weigh about 1 kilogram?
- a pencil
- a 1 liter bottle of water
- a desk
- a pair of shoes
![]()
a 1 liter bottle of water
a pair of shoes
64 + 158 = 70 + _________
976 + 1009 = __________ + 1000
12,589 + 31,775 = 12,600 + __________
152
985
31,764
Ellie needs to arrive at the race starting line by 7:00 a.m. She needs 35 minutes to get to the starting line, 15 minutes to eat breakfast, and 25 minutes to shower and get dressed. What time does Ellie need to wake up to arrive at the race on time?
5:45 a.m.
Solve using standard algorithm:


Round 311,866 to the nearest...
hundred: _________
thousand: ___________
ten thousand: __________
hundred: 311, 900
thousand: 312, 000
ten thousand: 310,000
David drank 700 mL of water before the race started, 300 mL during the race, and 1 L after the race.
How many mL did he drink in all?
![]()
2,000 milliliters
9 ½ + 5 ¾ = ?
15 ¼
Cassidy needs to arrive at school by 8:30 A.M. She needs 35 minutes to drive to school, 20 minutes to get up and get ready, and 10 minutes to eat breakfast. What time should she wake up to make it to school on time?

7:25 A.M.