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Vocabulary
Multiples of 10
Problem Solving
Estimating
Multiply
100
Finding the product means you need to?
Multiply
100
7 x 6 =_____ 7 x 60 =_______ 7 x 600 = _______
42 420 4,200
100
Zyheer walks 40 miles each month. Find if it is reasonable to say he will walk more than 300 miles in 6 months.
40 x 6 =240 No it is not reasonable
100
Share your estimation: 23 x 6 =
20 x 6 = 120
100
62 x 7 =
434
200
You need to ____________ to find the total of equal groups.
Multiply
200
5 x 400 =
2,000
200
Zaaria's family eats 12 fruit cups each week. Is 200 a reasonable number of fruit cups they will eat in four weeks? Explain.
No, 12 x 4 = 48 and is nowhere close to 200.
200
Share your estimation: 5 x 248 =
5 x 200 = 1,000
200
77 x 9 =
693
300
When you do not need an exact answer, you can ________
Estimate
300
6 x 3,000=
18,000
300
There are 8 party bags. Each bag contains 12 different items. Is it reasonable to say that the bags will have 75 items in all? Explain.
8 x 12 = 96. Yes, there will be at least 75 items. No, there will be more than 75 items in all.
300
Share your estimation and decide if the answer would be greater than, less than or equal to the actual product: 1,478 x 4 =
1,000 x 4 = 4,000 Less than
300
4,355 x 3 =
13,065
400
The ____________ says that you can multiply the addends of a number and then add the products
Distributive Property of Multiplication
400
One ton is equal to 2,000 pounds. How many pounds are equal to 7 tons?
14,000 pounds
400
Mr. Skaer donates $200 each month to the local homeless shelter. Is it reasonable to say that he will give more than $3,000 a year? Explain.
12 x $200 = 2,400 No, he will give less than $3,000 a year.
400
Share your estimation and if the estimation would be greater than, less than or equal to the actual answer: 7 x 584 =
7 x 600 = 4,200 Greater than
400
8 x 906 =
7,248