place value
Round 3,468 to the nearest hundred.
➡️ Answer: 3,500
Solve: 4,532 + 3,004
➡️ Answer: 7,536
6 × 7 = ?
➡️ Answer: 42
Find area:
A rectangle is 5 units long and 3 units wide.
➡️ Answer: 15 square units
Sam read 25 pages on Monday and 18 pages on Tuesday.
How many pages in all?
➡️ Answer: 43 pages
What is the value of the digit 6 in the number 46,812?
➡️ Answer: 6,000
Solve: 9,000 – 2,457
➡️ Answer: 6,543
Find the product: 4 × 30
➡️ Answer: 120
Find perimeter:
A rectangle is 8 cm by 6 cm.
➡️ Answer: 28 cm
A baker makes 36 muffins.
He puts them in boxes of 6.
How many boxes are needed?
➡️ Answer: 6 boxes
Round 78,423 to the nearest thousand.
➡️ Answer: 78,000
A number plus 3,876 equals 9,210. What is the number?
➡️ Answer: 5,334
8 × 600 = ?
➡️ Answer: 4,800
A square has an area of 49 square units.
What is the side length?
➡️ Answer: 7 units
A farmer has 245 apples.
He sells 98.
Then he buys 50 more.
How many apples now?
A farmer has 245 apples.
He sells 98.
Then he buys 50 more.
How many apples now?
Write 90,000 + 7,000 + 500 + 60 + 3 in standard form.
➡️ Answer: 97,563
Solve using the standard algorithm:
15,482 + 9,659
➡️ Answer: 25,141
A rectangle has 4 rows of 28. How many total?
➡️ Answer: 112
A rectangle has a perimeter of 30 cm.
Its length is 9 cm.
What is the width?
➡️ Answer: 6 cm
A library has 1,250 books.
They add 387 new books and remove 212 old ones.
How many books now?
➡️ Answer: 1,425 books
Which number is greater:
A) 8 ten-thousands + 6 thousands + 200
B) 7 ten-thousands + 15 thousands + 900
➡️ Answer: They are equal (both = 86,200)
Solve:
42,000 – 18,756
➡️ Answer: 23,244
36 × 12 = ?
➡️ Answer: 432
A classroom floor is 12 m by 9 m.
What is the area AND the perimeter?
➡️ Answer:
Area = 108 m²
Perimeter = 42 m
A factory packs 48 toys in a box.
It ships 27 boxes in the morning and 18 boxes in the afternoon.
How many toys were shipped in total?
➡️ Answer:
Morning: 48 × 27 = 1,296
Afternoon: 48 × 18 = 864
Total = 2,160 toys