Mental Math (10 s)
a=2
What is b if b=(a x 15)
b= 30
What is 2
How many minutes are in 3 hours?
180 minutes
84 ÷ 4 =
21
23
8
a= 6
What is b if b= (a x 7)
b= 42
(9 ÷ 3) + (14 ÷ 2) =
10
Ava read 1/4 of an hour last week.
If Ava read twice as many minutes this week than last week how many minutes did she read this week.
Ava read 30 minutes
240 ÷ 12 =
20
53
125
a=5+5
What is b if b= (a x 2) + 5
B=25
7 + 7 + 7 + 7 x 7 =
70
The movie lasts 128 minutes. Joe has to be home by 3:00 and the walk home is 5 minutes. If the movie starts at 12:45 will Joe have enough time to watch it and still get home on time?
Yes Joe will still have 2 minutes left.
369 ÷ 3
123
33
27
What is b if b= (a x 9)
B = 63
(28 ÷ 7) - 9 ÷ 3 =
1
If Paisley read 15 minutes everday for 5 days how many hours and minutes did she read?
1 hour 15 minutes
1,002 ÷ 2
501
104
10,000
a=3+3
What is b if b= (a x 3)
b=18
12 + 12 + 12 ÷ 6 - 60 ÷ 2 =
0
When Sarah left for school the time the clock said: 8:15. When she arrived at school the clock said: 8:48. How many minutes did she ridw to school?
She rode to school 33 minutes.
$10.00 ÷ 4
$2.50
25
32