830+750
1580
Mental Math
20-10
10
MENTAL MATH
37 + 68 = ?
105
MENTAL MATH
10 x 300
3000
666/20=
33.3
What is this symbol "+" ?
addition or adding
You have 150 apples and give away 10. How many are left?
140
888 x 2 = ?
7104
Mr. Lara wants to buy a phone charger worth 42,000won but he only has a 50,000 won. How much change will he receive?
8,000won
134 + 134 = ?
268
MENTAL MATH
500 x 9 =
4500
1000 divided into 2 groups
500
What is this symbol "x" in math?
multiply
What is 1000 x10?
10,000
177 divided by 3=
59
Mental Math
560 - 30 =
530
MENTAL MATH
98 + 499 = ?
597
666x 5 = ?
3330
MENTAL MATH
4500 divided into 3 groups
1500
Two Lines crossing each other are called....
Intersection
Number of sides on a rectangle.
What is 4?
300 + 330 + 30+ 3 =
663
160- 6- 2 =
152
MENTAL MATH
15 x 2 + 1 =
31
4 x 7 x50=
1400
MENTAL MATH
1200 divided into 4 groups
300
What is the answer to a division problem called? (The top part)
Quotient
34x54
What is 1836?
50 x 50 =
2500
1000-50 -60=
890
MENTAL MATH
1555 + 245 = ?
1800
5 x 5 x800=
20,000
MENTAL MATH
5800 divided into 4 groups
1450
Type of number with a numerator and denominator
Fraction
Write the English name of the new South Korean President.
Yoon Suk-yeol