It is the end of the summer. The school is getting ready for the new school year. There are 19 classrooms in the school. On the ground floor, there are 8 classrooms; the rest of the classrooms are on the first floor. How many classrooms are there on the first floor?
11
24 + 10 + 9
43
How much is a penny worth?
1 cent
12 - 5
Count by 10 to 100.
10,20,30,40,50,60,70,80,90,100
There are 6 benches in the gym but 2 of them are broken. Therefore, the office ordered 4 more new benches. How many good benches will be there in the gym?
8
56 + 37
93
How much is a nickel worth?
5 cents
20 - 5
15
Count by 2's to 30
2,4,6,8,10 etc.
There are a total of 9 sweaters in the lost-andfound. Names are written on 6 of them. How many sweaters will be donated?
3
42 + 0
42
How much is a dime worth?
10 cents
7 - 2 - 1
4
Count by 5's to 85
5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85
The clown blew up forty-seven balloons. The other two clowns blew up thirteen more balloons each. How many balloons do the clowns have now?
73
40 + 23 + 32
90
How much is a quarter worth?
25 cents
2-1
2
Count by 3's to 18
3,6,9,12,15,18
Twenty-two boys went down the slide in the morning. In the afternoon, 13 more boys and 16 girls went down the slide. How many kids went down the slide today?
51
66 + 21 + 3
90
The dollar is paper and the coin is metal.
0 - 0
0
9