Mental Math
Double of 9.
18
20 + 5
25
17 - 8
9
I am a number between 20 and 30. If you add 2 of me, the sum is 4.
2 + 2 = 4
3 Quarters = ?cents
75cents
30 + 12
42
29 - 5
24
John is 5 years younger than his brother. His brother is 32 years old, how old is John?
32 - 5 = 27
3 Quarters + 1 dimes = ?cents
75+10 = 85
Double of 33.
66
32 + 24
66
39 - 24
15
I'm an odd number. I'm greater than 50 but less than 90. If you add 2 of me, you get 10. Who am I?
46, 73, 82, 55, 66, 47
55
3 quarters + 1 dimes + 2 nickels= ?cents
75+10+10 = 95cents
20 + 20 +25
65
34 + 47 = ?
Draw number and solve this equation.
81
58 - 19 =
Draw number bond and solve this equation.
39
Anna is in line. 6 girls are in front of her, and 5 boys are behind her. How many students are there in the line?
6 girls + Anna + 5 boys = 12 students
3 quarters+ 1 dime +1nickels + 2 penny= ?cents
75+10 +5+2= 92cents
20 + 20 + 16 + 20
76
? - 73 = 29
Draw number bond and solve this missing number.
102
? - 79 = 18
Draw number bond and solve this missing number.
18
Mary took out some money from her savings, she spent $8 on books, $5 on stickers and has $5 left. How much did she take from her savings?
8 +5 = 13
13 + 5 = 18
4quarters+3dimes +3nickels+5pennies = ?cents
100+30+15+5=150cents