Terms
What is the English term for delen?
division
What is 2x34 with the use of dubbeling?
1x34 = 34
2x34 = 68
Would you decompose this? 54:9
No
Tom cuts 6 cumcumbers into 12 pieces. How many pieces does he have?
6 x 12
6 x 10 = 60
6 x 2 = 12
60 + 12 = 72
What is the Dutch term for multiplication?
What is 5x64 with the use of halving
10 x 64 = 640
5x 64 = 320
Would you decompose this? 92 : 4
yes
There are 98 blocks. We divide them over 9 towers equally. How many block are there in each tower and how many are left over?
90 and 8
90 : 9 = 10
8: 9 does not work = 8 left over
What is the Dutch term for decomposing?
Splitsen
Decompose this problem: 56 x 3
50 x 3 = 150
6 x 3 = 18
150+18 = 168
Decompose this: 85 : 5
50 and 35
50 : 5 = 10
35 : 5 = 7
10 + 7 = 17
4 girls go to Claires birthday party. After it's all over, each one of them gets 3 sheets with 7 stickers on them. How many stickers have been handed out?
4 x 3 x 7
4 x 3 = 12
12 x 7
10 x 7 = 70
2 x 7 = 14
70 + 14 = 84
Explain what dubbeling and halving means.
....
Decompose this: 98 x 6
90 x 6 = 540
8x6 = 48
540 + 48 = 588
Decompose this: 208 : 8
160 and 48
160 : 8 = 20
48 : 8 = 6
20 + 6 = 26
Mare has 5 bag with each 24 apples in it. How many apples does she have all together?
5 x 24
5 x 20 = 100
5 x 4 = 20
100 +20 = 120