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Divisibility
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BEDMAS
100

A number is divisible by 2 if what?

A number is divisible by 5 is what?

If it is a even number or if it ends with a 0 or 5.

100

12.45 + 3.7 =

15.6 − 7.25 =

12.45 + 3.7 = 16.15

15.6 − 7.25 = 8.35

100

45.36÷0.24=

189

100

2.5 × 0.6 =

1.5

100

(10−2)×3+4

8×3+4=24+4=28

200

Is 8526 divisible by 3? How do you know?

Yes because 21 is divisible by 3.

200

23.75 + 16.8 =

48.6 − 19.35 =

23.75 + 16.8 = 40.55

48.6 − 19.35 = 29.25

200

164.4÷ 6=

27.4

200

12.5 × 0.08 = 

1

200

12÷(4×3)+4

12÷12=1+4=5

300

Is 729 divisible by 9? How do you know?

Yes because 18 is divisible by 9.

300

234.56 + 87.945 =

512.75 − 198.625 =

234.56 + 87.945 = 322.505

512.75 − 198.625 = 314.125


300

842.5 ÷ 0.5 =

1685

300

123.5 × 0.4 =

49.4

300

(6+4)×(8−5)÷2

10×3÷2=30÷2=15

400

Is 9318 divisible by 8? How do you know?

No because 318 is not divisible by 8.

400

A store had 512.75 liters of milk. After selling 198.625 liters, how much milk is left?

314.125L

400

A farmer has 45.6 quarters of land and wants to divide it evenly among 8.4 fields for planting crops. How many quarters of land will each field get?

Divide:
45.6 ÷ 8.4 = 5.43 quarters

400

A recipe calls for 4.6 L of milk. If you only need 2.3 times that amount for a larger batch, how many liters do you need?

10.58L

400

(15−9)×(4+2)÷3+5 

6×6÷3+5=36÷3+5=12+5=17

500

Is 2,376 divisible by 8? How do you know?

Yes it is because 376 can be divided by 8. (297)

500

Jordan is saving money to buy a new game. On Monday, she earned $15.75 for babysitting. On Wednesday, she earned $22.40 mowing lawns. On Friday, she bought lunch for $8.65 and a notebook for $4.25. How much money does Jordan have left after her purchases?

  1. Add what she earned:
    15.75 + 22.40 = 38.15

  2. Add what she spent:
    8.65 + 4.25 = 12.90

  3. Subtract:
    38.15 − 12.90 = $25.25

✅ Answer: Jordan has $25.25 left.

500

Jake bought 3.6 kilograms of trail mix and wants to divide it evenly into small snack bags.
If each bag holds 0.3 kilograms. How many bags can Jake fill?

Divide:
3.6 ÷ 0.3 = 12

500

A large water tank holds 123.5 liters. If it is 42% full, how many liters of water are in the tank?

51.87L

500

A school cafeteria sells sandwiches for $5, drinks for $2, and desserts for $3 each.

On Friday, the cafeteria sold 4 sandwiches, 3 drinks, and 2 desserts.
Then they earned an extra $10 donation from a teacher.

(4×5)+(3×2)+(2×3)+10

20+6+6+10=42