Rambunctious
Ratios
Ratios
We are learning to use multiplication and division to solve proportion and ratios problems.
Multiplication and Division Practice.
Work these problems out in your mind and discuss your strategies with your group. Show a couple
of strategies below, but the rest of the questions can just be answered
of strategies below, but the rest of the questions can just be answered
- 29 x 20 = 580 2. 33 x 15 = 495 3. 76 x 24 = 1824 4. 65 x 17 = 1104
5. 72 x 15 = 1430 6. 33 x 16 = 528 7. 34 x 31 = 1054 8. 42 x 26 = 1092
9. 90 ÷ 30 = 3 10. 280 ÷ 40 = 7 11. 300 ÷ 12 = 25 12. 625 ÷ 25 = 25
Word problem of the week:
For every 8 girls in a school, there are 12 boys. If there are 60 students in the school, how many girls
and boys are there in the school? 12 boys and 48 girls
and boys are there in the school? 12 boys and 48 girls
Wicked word problems!
Solve these problems. Write down your strategies:
- Jermaine has 120 lollies to share between some friends. How many lollies would each friend
get if there were 8 altogether? 30 8x3=12 and just add a 0 What if there were 16 or 24
people 16 people is 15 8x2=16 30/2=15 24 people is 5
- It takes 3 minutes to hang out 12 items of clothing. How long will it take to hang out 36 items?
9 minutes
4x3=12 3x3=9
12x3=36
- A pancake recipe calls for 3 cups of flour and 2 eggs. Marika is going to make several batches
to bring to the garage sale. If she wants to use 9 eggs, how many cups of flour will she use?
6 3x3=9 2x3=6
- At the pools, one lifeguard is required for every 25 people.If there are 150 people booked to
swim, how many lifeguards need to be working? 6 4x25=100 2x25=50 4+2=6
- The pools also say that one adult can only look after two children under 5. If Pt England Kids
are going swimming and they are taking 30 children, how many adults will they need? 15
If the ratio is 2:8 then it is also 14 :56 2x7=14 8x7=56- Task Description: this is the same as the last post but a little bit harder and this is level 2
- on ratios
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