Rule of Zeros
Find 10 x 20.
What is 200?
Use rounding to estimate the product:
14 x 32
What is 300?
Fill in the missing values:
INPUT OUTPUT
1 _
_ 6
3 _
4 12
True or false:
5 x 3 = 2 x 5
What is false?
Find 142 x 3.
What is 426?
Find 30 x 40.
Use rounding to estimate the product:
26 x 41
What is 1,200?
Fill in the missing values:
INPUT OUTPUT
_ 9
2 18
3 _
4 _
What is 1, 27, and 36?
90 = 6 x 15
What is true?
Find 25 x 12.
What is 300?
Find 60 x 60.
What is 3,600?
Use rounding to estimate the product:
39 x 53
What is 2,000?
Fill in the missing values:
INPUT OUTPUT
1 4
5 _
_ 28
_ 48
What is 20, 7, and 12?
Write an equation to find the product (p) of 35 and 81.
What is 35 x 81 = p?
Find 92 x 54.
What is 4,968?
Find 80 x 50.
What is 4,000?
Use rounding to estimate the product:
75 x 28
What is 2,400?
Fill in the missing values:
INPUT OUTPUT
6 48
8 _
_ 80
12 _
What is 64, 10, and 96?
Mrs. Urban wants to bake 12 apple pies for her teachers. If each pie needs 4 apples, how many apples will Mrs. Urban need altogether?
Write an equation using the variable (p) to represent the number of Paw Points on day 2, and then solve.
What is 12 x 4 = p or 4 x 12 = p?
What is 48 apples?
Easton records 75 YouTube videos and gets 63 likes on each video. How many likes does he get altogether?
What is 4,725 likes?
Find 90 x 90.
What is 8,100?
Use rounding to estimate the product:
85 x 99
What is 9,000?
Fill in the missing values:
INPUT OUTPUT
_ 108
_ 120
11 132
12 _
What is 9, 10, and 144?
Mrs. V gave out 32 paw points to her students in two days. The first day she gave out 15 tickets. On the second day she sold (p) amount of tickets. How many Paw Points did Mrs. V sell on day 2?
Write an equation using the variable p to represent the number of Paw Points on day 2, and then solve.
What is 32 - 15 = t? or What is 15 + t = 32?
What is 17 tickets?
A 4th grade class, consisting of 3 adult chaperones and 20 students, is going on a field trip to the zoo. Adult admission to the zoo is $8 and student admission is $5. The bus rental fee is $450 for the day.
How much does it cost for the entire class and adults to go on the field trip to the zoo?
What is $574?