NUMBERS & OPERATIONS
Say this number: 4,320
Four thousand three hundred twenty.
What fraction is 0.5?
One half.
What is 10% of 60?
6
Which is bigger: 45 or 54?
54
Ana buys 2 tickets for 90 pesos each. How much does she spend?
180
What is 15 plus 27?
42
How do you say 1/4 in English?
One quarter / one fourth.
A product costs 80 pesos. Discount: 25%. What is the discount amount?
20 pesos
Make a sentence using “less than” with 80 and 120.
Eighty is less than one hundred twenty.
Jon walked 2.5 km on Saturday and 3 km on Sunday. Total distance?
5.5km
Say the full operation: 56 ÷ 7 = ?
Fifty-six divided by seven equals eight.
Convert to a decimal: three quarters
0.75
Explain: “Followers increased by 12%.”
They gained 12 followers for every 100 they had. Their total number went up.
Is 30 twice 15? Explain.
Yes. Thirty is twice fifteen.
Carla studied 12 hours. One third was reading. How many hours?
4 hours
What is 13 × 6?
78
What is one third of 15?
5
What is 50% of 46?
23
Use “half as much” to compare 20 and 40.
Twenty is half as much as forty.
Paula, Miguel y Renata recibieron 2,400, 3,000 y 1,800 pesos para organizar un festival; Paula gastó 35%, 1/4 y 10% de su presupuesto en diferentes cosas, Miguel gastó 40%, 30% y 1/5, y Renata gastó 1/3, 25% y 15% en lo suyo.
Based on their budgets and percentages, who ended up saving the most money?
Say this number: 71,508
Seventy-one thousand five hundred eight.
Say this number: 2.875
Two point eight seven five.
The price went from 200 to 150. By how many pesos did it decrease, and what percentage is that?
Decrease = 50 pesos; Percentage = 25%
Compare 95 and 190 using “more than” and “twice.”
One hundred ninety is more than ninety-five, and it is twice ninety-five.
A high-speed train leaves Station A at 220 km/h, another leaves Station B at 180 km/h, both start at the same time and are 858 km apart, reducing their speed by 10% every two hours; meanwhile, a drone travels from Station A to Station B at 300 km/h, stays for 15 minutes, and returns at 250 km/h, while a cargo train waits exactly at the midpoint until both high-speed trains pass.
After all this completely unnecessary information… what time is it right now?
...