Place Value
What is 10 times greater than 20?
200
What is 3 x 70?
210
What is 30 x 10?
300
What is 18 ÷ 4?
4 with 2 left over
3/5
Mia says in 5,555, all the digits have the same value. Is Mia correct?
No; Sample answer: The digits are all the same, but each digit has a different value. The value of each 5 is ten times as great as the value of the 5 to its right.
What is 8 x 700?
5,600
What is 60 x 40?
2,400
What is 22 ÷ 6?
3 with 4 left over
What is 3/12 + 4/12?
7/12
What are the values of the 4s in 44,492?
4,000; 4,000; 400
What is 8 x 5,000?
40,000
What is 60 x 90?
5,400
What is 32 ÷ 9?
3 with 5 leftover
What is 7/12 + 5/12
12/12 or 1 whole
Primer schools is raising money. They raise $90 a week. How long will it take them to raise $900?
10 weeks
Ted, Jason, and Angelina are trying to raise $200 for a local shelter. Ted raised $30. Jason raised $90. How much money, m, does Angelina need to raise to reach their goal?
m=$80
What is 50 x 40?
2,000
Samuel has 60 prize tickets. How many marbles can he get if each marble is worth 9 tickets?
6 marbles because 9 x 6 =54, and this is only 6 away from 60.
9 x 7 = 63 and this will be over 60.
7/10
Write a number in which the value of the 3 is ten times as great as the value of the 3 in 135,864
Example: 345,734
*the 3 must be in the hundred thousands place
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The product of two factors is 4,200. If one of the factors is 60, what is the other factor?
70. Sample answer: 6 × 7 = 42is a basic fact. Since 7 × 60 = 420 , I know that 70 × 60 = 4,200 .
Dave is packing 23 sweaters into boxes. Each box will hold 3 sweaters. How many boxes will he need?
8 boxes; The remainder, 2, indicates that an additional box is needed to pack all the sweaters
Using three different numerators, write an equation in which three fractions, when added, have a sum of 1
Sample answer: 3/10 + 5/10 + 2/10