Grade 8 Mental Math Mastery
A worksheet designed to enhance mental math skills for 8th-grade students, focusing on rapid calculations and estimation.
Includes
Standards
Topics
Grade 8 Mental Math Mastery
Name:
Date:
Score:
Read each question carefully and solve it using mental math strategies. Try to avoid using a calculator or writing down intermediate steps. Show your final answer in the space provided.
1. What is 15% of 80?
2. Calculate 25 × 32 mentally.
3. What is 720 ÷ 9?
4. Find the sum of 1.75 and 2.25.
1. Which of the following is the best estimate for 49.8 × 3.1?
120
150
180
200
2. Approximately, what is the square root of 65?
7
8
9
10
1. 3/4 + 1/2 = 1.25
True
False
2. (8 + 4) × 2 = 8 + (4 × 2)
True
False
1. If a shirt costs $25 and is on sale for 20% off, what is the new price?
2. A recipe calls for 1.5 cups of flour. If you want to make 3 times the recipe, how much flour do you need?
1. Plot the result of 5 + (-8) on the number line below.
2. What is the distance between -3 and 7 on a number line?
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