Arithmetic
562 + 39 =
601
What is 10% of 340?
34
23 x 4 - 28 =
64
(-7) + (-10) =
-17
Say the number: 6,103,004
six million, one hundred and three-thousand, and four.
7827 - 344 =
7483
What is 10% of 567?
56.7
8 + 96 ÷ 2
56
17 + (-19) =
-2
Subtract two thousand from 78,392
76,392
30,005 - 2386 =
27,619
What is 20% of 45
9
6 + 42 ÷ 2 - 15
12
(-8) + 16 =
8
List the first 10 multiples of 3
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
35,978 x 23 =
827,494
What is 30% of 42?
12.6
25 x 2 - 42 ÷ 6 + 18
61
(-4) x 6 =
24
List all the factors of 36
1 x 36
2 x 18
3 x 12
4 x 8
6 x 6
513,852 ÷ 6 =
85,642
What is 67% of 230?
10% = 23
60% = 23 x 6 = 138
1% = 2.3
7% = 2.3 x 7 = 16.1
138 + 16.1 = 154.1
Or on a calculator:
0.67 x 230 = 154.1
(20 + 80 ÷ 2 x 8) ÷ [(54 ÷ 9 + 14) ÷ 4] =
68
(-15) x (-4) =
List all the prime numbers between 1 and 20.
(technically not 1, but will accept)
2, 3, 5, 7, 11, 13, 17, 19