Place Value
1. How is the 8 in the number 968 similar to and different from the 8 in 986?
a) One is 8 tens and the other is 8 ones and they both represent 8 sets of a place value.
b) One is 8 hundreds and the other is 8 tens and they both represent 8 sets of a place value.
c) One is 8 hundreds and the other is 8 ones and they both represent 8 sets of a place value.
d) One is 8 thousands and the other is 8 ones and they both represent 8 sets of a place value.
a) One is 8 tens and the other is 8 ones and they both represent 8 sets of a place value.
Is the number 7 prime or composite? How do you know?
Prime, because its only factors are 1 and 7.
Solve the following
45 x 8 =?
360
What do you call the answer to a division problem?
quotient
Taylor picked 7 apples. Carmen picked 4 times as many as Taylor. How many apples did Carmen pick?
28 apples
If 418 is multiplied by 10, what value will the 1 in the new number represent?
100
Which of these numbers are prime numbers:
2, 4, 5, 8, 11.
2, 5, 11
Solve:
351 x 10
3,510
Solve:
745 ÷ 5
149
A guinea pig costs $32 and a mouse costs $4. How many times as much does the guinea pig cost as the mouse?
8 times as much
What would be the next problem in the pattern?
9 x 6 = 54
90 x 6 = 540
900 x 6 = 5,400
9,000 x 6 = 54,000
Which number is composite and why: 19 or 21?
21 is composite because it has more than 2 factors (it's factors are 1, 3, 7, 21)
What is the product?
462 x 8 =
3,696
What is the quotient?
648 divided by 4
162
A popular video game costs 6 times as much as a fidget spinner. If a fidget spinner costs $7, how much does the video game cost?
The video game costs $42.
Which statement is true about the number below? 430,921
a) The place value of the 9 is 10 times the place value of the 1
b) The place value of the 3 is 10 times the place value of the 4
c) The place value of the 3 is 10 times the place value of the 0
d) The place value of the 9 is 10 times the place value of the 0
c) The place value of the 3 is 10 times the place value of the 0
Write down all the factors of 18 (factor rainbow).
Is 18 prime or composite?
Factors: 1, 2, 3, 6, 9, 18 → composite
Solve:
736 × 6 =
4,416
What is the quotient?
745/3
248 R1
Ms. Gargasz is 4 feet tall. The tree in her yard is 36 feet tall. How many times taller is the tree than Ms. Gargasz?
9 times taller
Which statement is true about the number 486,025?
a) The place value of the 8 is 10 times the place value of the 4
b) The place value of the 6 is 10 times the place value of the 5
c) The place value of the 6 is 10 times the place value of the 0
d) The place value of the 0 is 10 times the place value of the 6
c) The place value of the 6 is 10 times the place value of the 0
Is 57 prime or composite? Why?
(Think about the divisibility rules!)
57 is composite because it has more than 2 factors
(it's factors are 1, 3, 19, 57)
What is the product?
34 x 29 =
986
Christine has 696 Pokeman cards. She wants to split her cards evenly between herself and her 7 friends evenly. How much would each get?
87 cards each
A video game costs $35 and an iPhone app costs $5. How many times as much does the video game cost as the iPhone app?
7 times as much