Addition & Subtraction
What is 3,482 + 1,759?
5241
What is 8 × 7?
56
What is 1/2 + 1/2?
1
How many centimeters are in 1 meter?
100
How many angles does a triangle have?
3
What is 9,003 − 2,487?
6516
What is 144 ÷ 12?
12
Write 0.5 as a fraction.
1/2
How many minutes are in 2 hours?
120 minutes
What is the area formula for a rectangle?
length x width
A library has 4,275 books. It buys 1,368 more books. How many books does the library have now?
5,643 books
Each box holds 24 markers. How many markers are in 6 boxes?
144 markers
A cake is cut into 8 equal slices. If 3 slices are eaten, what fraction remains?
5/8
A rope is 48 inches long. It is cut into pieces that are each 6 inches long. How many pieces are made?
8 pieces
Find the area of a rectangle with length 9 units and width 4 units.
36 square units
A school raised $8,450 for a trip. They spent $3,275 on transportation and $2,980 on food. How much money is left?
$2,195
A store sold 35 packs of pencils. Each pack has 12 pencils. If 120 pencils were returned, how many pencils were kept?
35 × 12 = 420
420 − 120 = 300 pencils
Which is greater: 3/4 or 5/8? Explain.
3/4 (because 3/4 = 6/8, which is greater than 5/8)
A chart shows students read:
85 pages
A rectangle has an area of 24 square units. One side is 6 units. What is the other side?
4 units
A student solved 6,002 − 3,458 and got 3,556. Is the answer correct? Explain the error and show the correct solution.
Incorrect. Proper regrouping shows the answer is 2,544. Student likely did not regroup correctly across zeros.
Explain how to use an area model to solve 23 × 15. Show your thinking.
(20 × 10) + (20 × 5) + (3 × 10) + (3 × 5)
= 200 + 100 + 30 + 15 = 345
Explain why 0.25 is equal to 1/4 using a model or place value reasoning.
0.25 = 25/100, which simplifies to 1/4.
Describe how to find the perimeter of a rectangle and explain why the formula works.
Add all sides or use 2 × (length + width) because opposite sides are equal.
Two shapes have the same perimeter but different areas. Explain how this is possible and give an example.
Example: 1×10 and 3×3 rectangles can have same perimeter but different areas.