by Osmar

160 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Jonah zipped his jacket and hurries across the wet field. He reached the gate before the coach called roll. Which verb is wrong?
The robot rolls forward when Lena presses the blue button. Its arm lifted the block and drops it in the bin. Which verb creates the tense shift?
Before the doors opened, the band had tuned its instruments. After the curtain rose, the drummer begins the first song. Which verb breaks the tense pattern?
Next week, our class will visit the museum and studies the fossil exhibit. The guide will answer questions and will show casts after lunch. Which verb is wrong?
While the rain was tapping the windows, Priya read the map aloud. Her brother marks the route with a pencil and circled each stop. Which verb does not fit the tense?
Every afternoon, Marcus feeds the fish and checks the filter. Yesterday, he changes the cloudy water and cleaned the tank before practice. Which verb is the tense error?
The hikers found a dry cave before sunset. They build a small fire, shared the last sandwiches, and watched the fog roll in. Which verb shifts tense incorrectly?
At the science fair, judges are walking from table to table. Talia explains her project, handed them a data sheet, and points to the chart. Which verb does not fit?
By noon, the campers had gone two miles and had crossed the ridge. Then they unpack snacks and rested beside the lake. Which verb is wrong?
The librarian stamped each card and slid the books across the desk. Carlos thanks her and tucked the receipt into his pocket. Which verb breaks the tense?
By the time the bus arrived, the volunteers had packed lunches and had loaded coolers. One student carries the sign to the door. Which verb is wrong?
By Friday, Ava will have written the script and will have chosen the music. She printed the programs before rehearsal begins. Which verb is wrong?
Which verb corrects the shift? The twins built a raft and test it in the pond before dinner.
Which choice fixes the verb shift? Every morning, the crossing guard raises a hand and waved cars forward.
Which verb repairs the tense? Before the race started, Elena had stretched carefully and drinks water.
Which choice corrects the sentence? On Saturday, the crew will paint the backdrop and cleaned the brushes afterward.
Which verb fixes the shift? The bus is slowing near the curb, and students gathered their backpacks.
Which choice repairs the tense slip? Dana opened the email, scans the message twice, and forwarded it to her coach.
Which verb corrects the shift? Since September, our club has met on Tuesdays and will plan three fundraisers.
Which choice fixes the verb shift? While the oven was heating, Mateo chops onions and rinsed the rice.
Which choice fixes the second sentence? By sunrise, the painters had begun the mural. At noon, they finish the blue wall.
Which choice fixes the shift? After Omar had written his notes, he organizes the cards by topic.
Which sentence keeps tense consistent?
Which sentence keeps its verbs in the same tense?
Which sentence keeps the future tense consistent?
Which sentence keeps the verb tense consistent?
Which sentence has no inappropriate shift?
Which sentence keeps tense consistent?
Which sentence keeps its verbs in present tense?
Which sentence keeps the tense consistent?
Which sentence avoids a tense shift?
Which sentence keeps the past-tense narrative consistent?
During the storm, Liam moved the seedlings inside. Plants need steady light to grow. Why is the tense shift allowed?
Maya dropped her backpack by the door and said, "I am ready." Why is the present-tense verb allowed?
Last year, the town planted oaks along Maple Street. Those trees now shade the sidewalk. Why is the shift correct?
During the lab, Ana heated the water to 60°C. Water boils at 100°C. Why is the present tense correct?
Kayla finished her report last night. The report explains how the creek changed course. Why is the tense shift allowed?
Coach Rivera stopped the drill and said, "You are ready for the meet." Why is the tense shift correct?
The chef chilled the dough overnight. Cold butter makes pastry flaky. Why does the tense change make sense?
The garden flooded after the pipe broke. Today, the soil is dry again. Why is the shift allowed?
Which word is spelled correctly?
Which spelling correctly completes the sentence? His handwriting was so cramped that it was barely ___.
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which spelling correctly completes the sentence? She bought envelopes, notepads, and other ___ for the club.
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which spelling correctly adds -ed to the verb falsify?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word is spelled correctly?
Which word correctly completes the sentence? ___ bringing extra snacks for the whole team tonight.
Which word correctly completes the sentence? The seventh graders taped ___ posters along the hallway.
Which word correctly completes the sentence? The new bell schedule had little ___ on attendance.
Which word correctly completes the sentence? Heavy rain can ___ the turnout at the fair.
Which word correctly completes the sentence? The ___ of Lincoln Middle School announced the new schedule.
Which word correctly completes the sentence? She refused to copy the answers because it went against her ___.
Which word correctly completes the sentence? Writers must ___ every source they quote in a research report.
Which word correctly completes the sentence? The construction ___ was fenced off after the storm.
Which word correctly completes the sentence? Her ___ about my essay made the whole afternoon better.
Which word correctly completes the sentence? The tart sauce is a perfect ___ to the rich fish.
In the sentence "The coach is transferring three players," the r in transferring is doubled because the stress in transfer falls on the final syllable.
In the sentence "The judge showed good judgment," the word judgment is misspelled.
In a chain, grass → grasshopper → frog → snake. What does the arrow from grass to grasshopper show?

In a pond chain, algae → zooplankton → small fish → heron. What happens when small fish eat zooplankton?

In a forest chain, oak leaves → caterpillars → blue jays → hawks. Which organism eats the caterpillars?

A desert chain is cactus fruit → pack rat → rattlesnake → hawk. Where does energy move right after the pack rat?

Use the meadow food web. Which pair gets energy directly from clover?

In an ocean chain, phytoplankton → krill → penguin → leopard seal. Which statement matches the arrows?

In a food web, seeds → mice, mice → snakes, and mice → owls. What do the arrows from mice show?

In a stream chain, algae → mayfly nymphs → trout → otters. When trout eat mayfly nymphs, what direction does energy move?

In a kelp forest chain, kelp → sea urchin → sea otter. Which organism is eaten by the sea urchin?
Use the marsh food web. Which path carries cattail energy to frogs?

In a pond, algae are eaten by snails, and snails are eaten by fish. What trophic role do the snails have?

Oak trees make acorns that mice eat. What trophic role do the oak trees have?
Dead leaves are broken down by mushrooms, and nutrients return to the soil. What role do the mushrooms have?
In the chain prairie grass → grasshopper → lizard → hawk, what trophic level is the lizard?

Phytoplankton are eaten by copepods, and copepods are eaten by sardines. What role do copepods have?

In a web, berry bushes feed rabbits, and rabbits feed foxes. No predator of foxes is shown. What role do foxes have in this web?

Bacteria break down a dead fish on a pond bottom. What trophic role are the bacteria filling?
In the chain grass → zebra → lion, what trophic role does the zebra have?
Hawks eat mice, and mice eat grass seeds. A disease reduces hawks. What short-term change is most likely for mice?

Wolves eat deer, and deer browse young trees. If wolves increase, what short-term effect on deer is most likely?

Frogs eat grasshoppers in a wetland. If an insecticide reduces grasshoppers, what is the most likely short-term effect on frogs?
Kelp is eaten by sea urchins, and sea urchins are eaten by sea otters. If sea otters decrease, what is most likely for sea urchins?

Rabbits eat meadow grass, and foxes eat rabbits. If rabbits increase quickly, what short-term change is likely for meadow grass?
A drought reduces prairie grass. Prairie dogs depend on that grass for food. What is the most likely short-term effect on prairie dogs?
Snakes eat mice, and mice eat seeds. If many snakes are removed, what is most likely to happen to seeds after mice respond?

Snails eat pond algae. If a disease kills much of the algae, what short-term change is likely for snails?
Flowering plants feed butterflies, and butterflies feed small birds. If flowering plants increase, what short-term effect is likely for butterflies?
An invasive fish eats zooplankton, and zooplankton eat algae. If invasive fish increase, what short-term change is likely for algae?

A fungus kills many oak trees that produce acorns. Squirrels depend on acorns. What short-term effect on squirrels is most likely?
Foxes eat rabbits, and rabbits eat meadow grass. If many foxes are removed, what likely happens to meadow grass after rabbits respond?

An energy pyramid has grasses at the base, rabbits above grasses, foxes above rabbits, and eagles at the top. Which level has the most energy?

In the chain algae → zooplankton → small fish → heron, which organism has the least available energy?

An energy pyramid starts with 10,000 kJ in grass. About 10% transfers to rabbits. How much energy is available to rabbits?
Primary consumers in a pond have 800 kJ available. About 10% transfers upward. How much is available to secondary consumers?
Why do top predators usually have smaller populations than organisms lower in an energy pyramid?
In the chain corn → mouse → snake → hawk, how does available energy compare between mice and hawks?

A marine pyramid is phytoplankton at the base, then krill, then cod, then seals. Which level can support the greatest biomass?

A class model shows some energy leaving as heat at every feeding step. Where is available energy greatest in the pyramid?
A pyramid has 5,000 kJ in producers. Using the 10% rule, how much energy reaches tertiary consumers after producer → primary → secondary → tertiary?
In grass → rabbit → fox, a new predator eats foxes. Compared with foxes, what energy is available to the new predator?

In , what does the exponent -3 show?
What does |−7| mean on a number line?
The notations −3/5, (−3)/5, and 3/(−5) all represent which value?
The inequality x < 4 describes which solution set?
Which expression shows 2(x + 5) after using the distributive property?
In the notation , how is the exponent 2 read?
What value is represented by √49?
In 0.333..., what does the ellipsis mean?
In m ≤ 12, what does the symbol ≤ mean?
In , what does the exponent 5 show?
In the expression 4x + 9, what is 4 called?
A table has y ÷ x = 6 in every row. What term names the 6?
A recipe compares 2 cups of flour to 5 cups of oats. What notation represents that comparison?
A relationship is proportional. Which equation form uses that term precisely?
A $40 jacket is discounted by $12. In percent language, what is $40 called?
For y = 3x, where x is books and y is dollars, what does the point (1, 3) show?
A car travels 18 meters in 6 seconds, written as 3 meters per 1 second. What term describes 3 meters per second?
The statement 25% of the students chose art means what?
A box is measured in cubic centimeters to find how much sand fits inside. Which measurement is being used?
A gift box needs paper covering all outside faces. Which measurement is needed?
A circular track is measured by the distance around its edge. What is that distance called?
A line segment crosses a circle through its center and touches both sides. What is the segment called?
A segment goes from the center of a circle to one point on the circle. What is it called?
Two angles have measures that add to 90°. What word describes the angles?
Two angles are opposite each other when two straight lines intersect. What are they called?
A plane slices through a rectangular prism. What term names the flat shape made by the slice?
A spinner's sample space is {red, blue, green}. On one spin, landing on blue is what?
A spinner's sample space is {red, blue, green}. Event A is not red. Which set represents A?
If P(A) = 0.25, what does the notation mean?
A teacher draws 30 student names from a hat for a survey. What type of sample is intended?
Which statistic is found by adding all data values and dividing by the number of values?
Which statistic describes the typical distance between data values and the mean?
For data values, what term names the difference between the greatest value and the least value?
A number cube has sample space {1,2,3,4,5,6}. What is the complement of rolling a 5?
A net worth statement lists assets of $2,400 and liabilities of $900. Which expression represents net worth?
In the simple interest formula I = prt, what does p represent?
A budget has $600 for rent out of $2,000 income. Which expression gives rent's percent of the budget?
A $50 game has an 8% added charge paid to the government. What is the added charge called?
After buying an $80 printer, Tia mails a form and receives $15 back. What is the $15 called?
A paycheck lists $500 earned before $60 in taxes are taken out. What term names the $500?
Mixed Review: Number and Operations + Combining Like Terms + Subtracting Integers + What Plants Need to Grow + What Animals Need to Live + What Animals Eat + Sorting Animals + Animal Homes + The Five Senses
186 questions
Multiply 2-Digit by 2-Digit + Multi-Digit Addition + Multistep Word Problems + Multiply Up to 4-Digit by 1-Digit + Money Word Problems
164 questions
CVC Words + Sight Words + Zoo Animals + Life Cycles + Food and Meals + Days of the Week + Beginning Sounds
190 questions
Multi-Digit Multiplication Word Problems + Multi-Digit Multiplication
60 questions
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.