Subtraction Strategies
Place Value & Rounding
Conversions & Measuring
Addition Strategies
Elapsed Time
100

Use "Constant Difference" to fill in the blank:

994 - 203 = _____ - 200

991

100

Round 16,812 to the nearest thousand.

17,000

100

Fill in the missing boxes on the chart.



8,000

10,000

18,000

100

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

100

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

200

Solve the problem. Tell what method you chose and explain why.

10,500 - 6988

3,512

200

Round 676,527 to the nearest ten thousand

680,000

200

Gretchen ran a 10K, a 5K, and another 10K. How many METERS did she run in all?

25,000 meters

200

83,204

200

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

300

Tell what method you used and explain why.

9,089

300

Fill in the missing boxes on the chart.

490,106

400,000 + 90,000 + 100 + 6

300

Fill in the missing boxes on the chart.


180

360

600

300

10,201 + 5,696

15,897

300

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

400

Fill in the blanks using the constant difference strategy.

54 – 11 = _____ – 10 

27 – 19 = ______ – 22

2282 – 199  =  2283 – _________

53

30

200

400

Round 13,094,211 to the nearest…

ten thousand: ___________

million: ____________

ten thousand: 13,090,000

million: 13,000,000

400

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

400

64 + 158 = 70 + _________

976 + 1009 = __________ + 1000

12,589 + 31,775 = 12,600 + __________

152

985

31,764

400

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.

500

Solve using standard algorithm:

500

Round 311,866 to the nearest...

hundred: _________

thousand: ___________

ten thousand: __________

hundred: 311, 900

thousand: 312, 000

ten thousand: 310,000

500

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

500

9 ½ + 5 ¾ = ?

15 ¼

500

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.

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