Addition/Subtraction
What is 245 + 138?
(100)
What is 383
Calculate using the box method:
45 x 97
(100)
What is 4365
A student is saving money for summer swimming lessons.
She has saved $45.75 so far. She earns an extra $18.40 from doing chores and then spends $12.95 on new goggles.
How much money does she have after earning the money from chores?
(300)
1) $45.75+$18.40= $64.15
2) $64.15−$12.95= $51.20
What is 500 − 267?
(200)
What is 233
Calculate using long division
32 / 582
(300)
What is 18 r 6
A fitness center has a swimming pool and a gym. There are 3,924 members in the fitness club. There are two kinds of membership: regular and VIP. Each regular member pays $25 per month and each VIP member pays $480 per year.
1. There are 2,915 regular members. How many VIP members are there?
2. How much in membership fees does the fitness center receive from the regular members each month?
(400)
1. 3,924 – 2,915 = 1,009 There are 1,009 VIP members.
2. 2,915 x 25 = 72,875 The fitness center receives $72,875 from the regular members.
What is 3.6 + 2.9?
(300)
What is 6.5
Calculate:
4 x 5/8
(200)
What is 20/8 = 2 4/8 or 2 1/2
A school fundraiser raised $2,345.75 on Monday and $1,978.40 on Tuesday. They spent $1,250.60 on supplies. How much money is left after expenses?
(200)
What is $3,073.55
What is 12.75 − 4.38?
(400)
What is 8.37
Is 8 ÷ 2/3 the same as 2/3 ÷ 8 why or why not? Explain your answer by calculating both
(500)
8 ÷ 2/3 = 24/2 = 12
2/3 ÷ 8 = 2/24 = 1/12
The order matters because you are asking completely different questions:
8 ÷ 2/3 = How many groups of 2/3 are in 8? → 12 groups
2/3 ÷ 8 = What is 2/3 split into 8 parts? → very small value (1/12)
During a normal day, there are 280 planes taking off from the airport, but the airport is a lot busier during Christmas. During the Christmas holidays, about 336 planes take off every day from the airport.
1. During the Christmas holidays, the airport opens 12 hours during each day, how many planes take off from this airport in each hour?
(100)
What is 336 ÷ 12 = 28
A store had 1,250.50 kg of rice. It sold 487.65 kg on Monday and 309.80 kg on Tuesday. How much rice is left?
(500)
What is 453.05 kg
Calculate:
319 x 99
(400)
What is 31,581
Ashley and 4 friends are working on a garbage clean-up project for their exhibition. They are exploring ways to collect and sort waste more effectively around their school.
Each of the 5 students uses 4/5of a kit of garbage-picking tools and 2/5 of a kit of recycling supplies while completing their clean-up work.
At the end of their work, they combine all remaining materials and organize them into storage containers that each hold 1/2 of a kit.
(500)
1) 5 x 4/5 = 20/5 = 4
2) 5 x 2/5 = 10/5 = 2
3) 4 + 2 =6
4) 6 ÷ 1/2 = 12