Number Operations (whole numbers & decimals)
What operation would you use to find the total when you put groups together?
Addition
What is 1/2 + 1/4?
3/4
Which digit is in the hundredths place in 9.352?
5
What formula do you use to find the area of a rectangle? (Write the formula.)
length × width (A = l × w)
Calculate 456 + 289.
745
Subtract: 7/8 − 3/8.
4/8 = 1/2
Write 0.407 in expanded form using place values.
0.4 + 0.007
Find the area of a rectangle with length 7 units and width 3 units.
21 square units
Round 12.678 to the nearest tenth.
12.7
Multiply: 2/3 × 3/5.
6/15 = 2/5
Compare: 3.207 ___ 3.270 (use >, <, or =).
3.207 < 3.270
What is the formula for the volume of a rectangular prism?
Volume = length × width × height (V = l × w × h)
Multiply: 134 × 27.
3,618
Divide: 4 ÷ (1/3). Give the result as a whole number.
12
Multiply: 4.25 × 0.6. Show decimal placement
2.55
A box is 4 cm by 5 cm by 6 cm. Find its volume.
120 cubic cm
Divide using an appropriate method: 3,624 ÷ 18. Show or describe a strategy.
201 remainder 6 (or 201 with remainder 6) OR 201.333... if expressed as decimal (show long division or area/array strategy)
Add and simplify: 5/6 + 7/9. (Give common denominator and final fraction.)
Common denominator 18: (15/18 + 14/18) = 29/18 (or 1 11/18)
Divide and round to thousandths: 7.125 ÷ 8.
0.890 (7.125 ÷ 8 = 0.890625 → rounded to thousandths = 0.891) — Review this closely for accuracy, especially in math, as AI may have limitations.
A compound solid is made by joining two rectangular prisms: one is 3×4×2 and the other is 3×4×5 (units). Find the total volume.
Volume first prism = 3×4×2 = 24. Second = 3×4×5 = 60. Total = 84 cubic units