Place Value
Round 1499 to the nearest hundred.
1500
Solve using give & take
199 + 231
430
Give 1 to 199 and take 1 from 231
Solve 298 - 178 = ? using the Constant Difference Strategy.
Constant Difference --> Add 2 to each number.
True or false: 1,000 ml = 1 L
True
Define the terms Minimum, Maximum & Range
Minimum: lowest data point
Maximum: highest data point
Range: Difference between the Highest and Lowest
Write this number in expanded form 576,231.
500,000 + 70,000 + 6,000 + 200 + 30 + 1
Solve using any method but explain WHY you choose that method.
23,123 + 78,324
101447
Methods will vary.
Solve using any method & explain WHY you chose that method.
2008 - 19 = ?
Answer: 1989
Methods vary (Standard algorithm is NOT the easiest method here)
Sophia ran 10K. Ava ran 1K. How many meters did they run in all?
11,000 Meters
What is the minimum, maximum & range of these data points?
52, 52, 53, 54, 56, 59, 59, 60, 61
Minimum: 52
Maximum: 61
Range: 9
Round this number to the nearest ten thousand 875,632
880,000
Solve using any method and then explain WHY you chose that method.
2899 + 7130 = _____
10,030 & Give and Take was the best method.
Solve using any method and explain WHY you choose that method.
15,965 - 3,876 = ?
Answer: 12,089
Write all the equivalences for these units.
1 kilogram = _____ grams
1 Kilometer = _____ Meters
1 Liter = _____ ML
60 seconds = ___ minutes
1 M = ____ CM
Answers:
1000 grams
1000 meters
1000 ML
1 minute
100 CM
What is the mode and median of these data points?
52, 52, 53, 54, 56, 57, 59, 59, 59, 60, 61
Mode: 59
Median:57
Compare these two numbers with <, >, or =
1318 ___ 1381
1318 < 1381
Solve 699 + 231 using THREE different strategies. Which was the easiest?
Answer: 930
Strategies: Give & Take, Standard Algorithm, Number Line, etc.
John was born in 1975. He got married in 2003. How old was John when he got married?
Answer: 28
Sophia ran faster by 3 minutes 3 seconds. Encourage students that using a number line is the best strategy for solving this.
Solve 38,001 - 29,123 = ?
8,878
Write this number in number name form.
231,045
Hint: in words
Two hundred thirty-one thousand forty-five
20,314 + 17,286 = 20,300 + ______
17,300
Sam has to solve the problem 91-76. Sam says it is easier to start at 91 and go back to 76 than to find the difference between 91 & 76. Do you agree or disagree? Why?
Sam is incorrect. The distance between 91 & 76 is close. If you draw a number line and start and 91 and go back 15 it is quicker than going back 76.
Use a ratio table to solve this problem.
For the Fun Run, the parents are planning that each runner needs 250 - milliliters of water. A water jug holds 5 Liters of water. How many 250 - milliliter servings can they get out of 1 jug?
Sophia needs to be at school at 7:45 a.m. She needs 30 minutes to drive to school, 15 minutes to eat breakfast, 25 minutes to get dressed and shower, and 5 minutes to play with Ava. Her alarm is set for 6:45 a.m. Will that be enough time? Why or why not?
Hint: Use a number line to help you.
It will not be enough time. She would need to wake up at 6:30 a.m.