Division
6 ÷ 1/2
12
79 xx 10^3
79,000
78 ÷ 100
0.78
There was 1/4 of a cake for John and his three friends to share. If they split the 1/4 of the cake evenly among them, how much of the original cake did each of the 4 kids get?
1/16 of the cake
What is the standard form of 10^6
1,000,000
1/2 ÷ 4
1/8
3,153 xx 10^2
315,300
251.6 ÷ 100
2.516
If it takes 1/5 of a can of paint to cover one wall, how many walls can you paint with 2 cans of paint?
10 walls
5.4 x 1,000
5,400
888 ÷ 24
37
4.7 xx 10^4
47,000
193.4 ÷ 10^5
0.001934
The 789 students in Brown Elementary are going on a field trip. Each bus holds 32 students. How many buses do they need?
25 buses
789 ÷ 32 = 24 r 21
0.29 x 100
29
1,424 ÷ 89
16
0.06 xx 10^5
6,000
3.27 ÷ 0.10
32.7
Ms. Hall's class is planning a water balloon fight. They found 2,498 balloons in the cupboard. Her 28 students will share them equally. In this problem, if there is a remainder, what do you do with it for your answer?
Ignore it. Students can't split up the water balloons into small pieces.
or
Give it to the teacher
Olivia solved the problems below, and got all the answers correct.
259.4 ÷ 10 = 25.94
259.4 ÷ 100 = 2.594
259.4 ÷ 1,000 = 0.2594
Describe what is happening to the decimal point and explain why
The decimal is moving left for every power of 10 there is.
Josh paid $30.90 for 3 shirts. When he tried to figure out how much each shirt cost, Josh wasn't sure where to put the decimal point. Choose the correct answer. Explain your choice.
A) $1.03
B) $103.00
C) $10.30
C) $10.30
0.9 x 0.01
0.009
83.46 ÷ 0.01
8,346
Ms. Hall's class is planning a water balloon fight. They found 2,498 balloons in the cupboard. How many water balloons will each of her 28 students get if they share them equally?
89 balloons
Sam solved the problems below, and got all the answers correct.
39 xx 10^1 = 390
39 xx 10^2 = 3,900
39 xx 10^3 = 39,000
39 xx 10^4 = 390,000
Describe what is happening to the number of zeros in these problems, and explain why it works that way.
A 0 is added on for every power of 10 because that shows how many times you are multiplying the number by 10