Say What?
Mental Math
50 + 50 + 10
110
Mental Math
60- 10 =
50
MENTAL MATH
98 + 499 =
597
How many tens
784
8
MENTAL MATH
400 divided into 5 groups
80
is 3:6 equal to 1:2
Yes if you divide both by 3
What is 32 ?
9
Mental Math
100 + 900 =
1000
Mental Math
Jack had a lemonade stand and made $25, the first day and $30 the next day. how much money did he make?
$55
345 + 134 =
479
What number is in the thousands place
45,384
5
Mental Math
54 divided into 6 groups
9
What is the ratio of girls to boys in the class
Depends on the amount of students girls should be on the left and boys to right ex
1:3
What is 92
81
5 + 5 + 5 +5
20
562-100
462
MENTAL MATH
155 + 245 = ?
400
What number is in the tenths place (remember decimals)?
970.4
4
MENTAL MATH
what is 1/4 in decimal form?
.25
Is 3x3x3 the same as 33? Explain your answer
Bonus 200 points what is the answer?
Yes If a number is cubed (to the 3rd power) it is the same as multiplying the number by itself that many times.
What is 42 ?
16
Mental Math
865 + 10
875
649-349
349
MENTAL MATH
10 + ___ = 241
231
What number is in the hundredths place (remember decimals)?
54.967
6
MENTAL MATH
1/2 in decimal form
.5
454/3
Extra 300 points if you solve it correctly without a calculator. You can ask the teacher to check the problem 1 time. It can be in decimal or remainder form
151.333 or 151 Remainder 1
What is 52 ?
25
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
MENTAL MATH
37 + 63 =
100
What number is in the hundreds place?
473,596.1209
Bonus what number is in the thousandths place?
thousandths place 0
140/10
14
What is the area of a rectangle whose base is 4cm and height is 5cm.
The teacher can tell you the equation but bonus 500 points if you can tell the teacher.
Equation (for bonus 500) A=bh
Answer is 20cm2
What is 62 ?
36