➖ or ➕
Mental Math
1+2+3+4+5+6 =
21
Mental Maths
Is 5 a prime number ?
Mental Maths
14 + 32
46
9x3=
27
Mental Maths
28-9=
19
Mental Maths
2+4+6+8+10 =
30
Mental Maths
What is the next number in this pattern?
2, 4, 8 ,___ ?
16
the number doubles
Mental Math
10 + 20 + 10 + 20 + 10 + 20 =
90
30/5 =
6
Mental Maths
13 less than 25
12
Mental Math
600 - 31 =
569
Mental maths
41, 35, 29, _?
23
the number lowers by 6
In the pie eating competition Kena ate 1 1/2 pies
Juree ate 3 more pies than Kena.
Katara ate double the amount that Juree ate
How many pies did Katara eat?
9
7x7=
49
At the shop Andy bought a pie for $5 and 2 apples for $1.50 each
Andy pays with a $20 bill.
How much change does Andy get?
$5 + (2 x $1.50)
$5 + $3 = $8
$20 - $8 = $12
Mental Maths
100-52-28 =
20
What comes next?
48, 36, 24, 12, ___
the numbers drop by 12
What is eight more than the double of nine
26
55/5=
11
Mental Maths
12-13-4-5 =
-10
1+2-3+4-5+6-7+8-9+10 =
7
What comes next?
2, 3, 5, 9, __?
17
double then minus 1
Mental Maths
-70 + 34
-36
12/2=
6
Mental Maths
427-298 =
129