Assess Yourself
How well do you understand the ideas in this lesson?
Goal:
Goal:
Show What You Know!
Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you do not know an answer.
Which math sentence will help you find how many times Ava walks and brushes her dog in a week?
Bar Graph Chart: Title: Weekly Dog Chores Scale: Number of Chores per Week. 0,2,4,6,8,10,12,14,16,18,20. Types of Chores: Give Food 14, Give Water 19, Take on a Walk 11, Bathe 1, Brush 5.
- \({11 - 5 = 14 }\)
- \({11 + 5 = 16 }\)
- \({11 + 7 = 18}\)
- \({14 + 11 = 25}\)
Sorry, that's not correct. Try adding instead!
Yes! Ava walks and brushes her dog 16 times a week.
Sorry, that's not correct. Ava brushes her dog 5 times a week, not 7.
Sorry, that's not correct. It looks like you added the wrong chores together.
What is the combined number of forget-me-nots planted in 2021 and 2022?
click image to enlarge chart.
- 75
- 10
- 45
- 35
Correct! A total of 75 forget-me-nots were planted in 2021 and 2022.
Sorry, that's not correct. Remember to look at the scale on the bar graphs.
Sorry, that's not correct. The word “combined” is telling you to add!
Sorry, that's not correct. It looks like you forgot to add the forget-me-nots planted in 2022.
How many classmates receive $15.00, $20.00, or $25.00 for their weekly allowance?
Bar Graph: Title: Weekly Allowance Amounts Scale: Number of Classmates 0,4,8,12,16,20,24,28,32,36,40. Dollor Amounts: 5 dollars 34, 10 dollars 20, 15 dollars 8, 20 dollars 7, 25 dollars 2.
-
25
- 24
- 0
- 16
Sorry, that’s not correct. Try looking at the scale on the left side of the graph.
Sorry, that’s not correct. Remember, 6 classmates receive $20.00 and 2 classmates receive $25.00 for their weekly allowance.
Sorry, that’s not correct. Try adding instead!
Yes! 16 classmates receive $15.00, $20.00, or $25.00.
Which math sentence will help you find how many fewer students receive $15.00 than receive $10.00 for their allowance?
Bar Graph: Title: Weekly Allowance Amounts Scale: Number of Classmates 0,4,8,12,16,20,24,28,32,36,40. Dollor Amounts: 5 dollars 34, 10 dollars 20, 15 dollars 8, 20 dollars 7, 25 dollars 2.
-
\({100 - 50 = 50 }\)
- \({8 + 20 = 28}\)
- \({20 - 12 = 8}\)
- \({20 - 8 = 12}\)
Sorry, that's not correct. 20 students receive $10.00, but only 8 students receive $15.00.
Sorry, that's not correct. Try subtracting instead!
Sorry, that's not correct. Remember, 8 students receive $15.00 as their allowance.
Correct! 12 fewer students receive $15.00 than receive $10.00 for their allowance.
What is the difference in the number of petunias planted in 2021 than 2022?
click image to enlarge chart.
- 50
- 105
- 15
- 20
Sorry, that's not correct. It looks like you found the difference between the numbers of snapdragons planted.
Sorry, that's not correct. It looks like you added instead of subtracting.
Yes! This is the correct difference!
Sorry, that's not correct. Try checking the scale of the graphs again!
How many more glow sticks are in the junk drawer than phone chargers?
Bar Graph Chart: Title: Objects Found in the Junk drawer Scale: Label: Number of Objects, 0,2,4,6,8,10,12,14,16,18,20. Objects: Key Chains 9, Phone Chargers 5, Glow Sticks 6, Pieces of Gum 20, Flossers 17, ScrewDrivers 6.
-
1
11
4
9
Yes! There is only 1 more glow stick than there are phone chargers.
Sorry, that's not correct. Try subtracting instead of adding!
Sorry, that's not correct. It looks like you subtracted from the number of key chains instead of the number of glow sticks.
Sorry, that's not correct. There are 6 glow sticks and 5 phone chargers.
How many fewer times does Ava bathe her dog than she gives it water?
Bar Graph Chart: Title: Weekly Dog Chores Scale: Number of Chores per Week. 0,2,4,6,8,10,12,14,16,18,20. Types of Chores: Give Food 14, Give Water 19, Take on a Walk 11, Bathe 1, Brush 5.
-
10
-
19
-
13
-
18
Sorry, that's not correct. Try looking at the graph again!
Sorry, that's not correct. Try subtracting instead of adding!
Sorry, that's not correct. It looks like you found the difference between giving the dog food and bathing it.
Yes! The answer is 18 because \({19 - 1 = 18}\).
According to these graphs, how many rubber bands and hair pins were in Ava's vacuum?
Bar Graph Chart: Title: Objects Found in Ava's Vacuum. Scale: Number of Objects 0,2,4,6,8,10,12,14,16,18,20 Objects: Hair Pins 19, Charms 2, Beads 16, String 8, Rubber Bands 6.
-
21
-
25
-
8
- 13
Sorry, that's not correct. Try checking the number of rubber bands again.
Yes! There were 25 rubber bands and hair pins in the vacuum.
Sorry, that's not correct. It looks like you added the number of charms instead of the number of hair pins.
Sorry, that's not correct. It looks like you subtracted instead of adding.
How many total flossers and screwdrivers are in the junk drawer?
Bar Graph Chart: Title: Objects Found in the Junk drawer Scale: Label: Number of Objects, 0,2,4,6,8,10,12,14,16,18,20. Objects: Key Chains 9, Phone Chargers 5, Glow Sticks 6, Pieces of Gum 20, Flossers 17, ScrewDrivers 6.
-
23
17
11
22
Yes! The sum is 23 because \({17 + 6 = 23}\).
Sorry, that's not correct. Remember, there are 17 flossers and 6 screwdrivers in the junk drawer.
Sorry, that's not correct. It looks like you subtracted instead of adding.
Sorry, that's not correct. Check your addition again!
How many fewer charms than pieces of string were in the vacuum?
Bar Graph Chart: Title: Objects Found in Ava's Vacuum. Scale: Number of Objects 0,2,4,6,8,10,12,14,16,18,20 Objects: Hair Pins 19, Charms 2, Beads 16, String 8, Rubber Bands 6.
-
9
-
6
-
27
- 10
Sorry, that's not correct. Double check the bar graph again.
Yes! There were 6 more pieces of string than there were charms in the vacuum.
Sorry, that's not correct. How tall are the bars above Charms and String?
Sorry, that's not correct. It looks like you added instead of subtracting.
Summary
Questions answered correctly:
Questions answered incorrectly: