Subtraction
528 - 329
199
13 x 5
65
25 ÷ 4
6 r1
100 x 4
400 because...
4 x 1 = 4, and annex 2 zereos
Jessica made 824 cakes in the month of September and 689 cakes in the month of October. How many more cakes did Jessica make in September than October?
825 - 689 = 135 cakes
733
23 x 8
184
31 ÷ 3
10 r1
23 x 100
2,300 because...
23 x 1 = 23, and annex 2 zereos
Jessica made 17 cakes in one day. How many cakes will she make in 7 days?
17 x 7 = 119 cakes
10,261 - 8,262
1,999
19 x 24
456
45 ÷ 6
7 r3
300 x 80
24,000 because...
8 x 3 = 24, and then annex 3 zereos
Jessica made 22 cakes and wants to display them on shelves in the bakery. Each shelf can only hold 3 cakes. How many shelves will Jessica need to hold all the cakes?
22 ÷ 3 = 7 r 1
Jessica will need 8 shelves