Mental Math Activities #1:

Grade 1

1. Put one finger on your nose and one finger on

button. Write how many body parts you are

2. Show me five; write the number that is one less

3. How many elbows and knees do you have all

4. How many clocks are in our classroom?

5. How many toes are on one foot?

6. What number comes after five?

7. How many sides on a square?

8. What number comes next: 4, 5, 6, ____?

Grade 2

Write the following numbers: Write the number that comes after:

36, 64, 51, 73, 67, 45, 92, 26, 75, 90

Grade 3

5 + 5 3 + 1 + 2 – 3

number of legs on two dogs seven tens and six ones

What comes next . . . 6, 8, 10, __? 10 more than 30

value of two dimes and one nickel number in a dozen

Grade 4

1. 10 more than 80

2. 5 + 3 + 12 – 2

3. Is 781 nearer 700 or 800?

4. 15 + 40

5. 5 x 3

6. Value of 3 dimes and 2 nickels

7. Which is longer 1 foot or 1 yard?

8. Number of sides on a hexagon

Grade 5

1. (5 – 3) x 7 + 6

2. 4 + 2 x 5 – 3

3. Word form 237

4. Round to nearest ten: 83

5. Number of days in this month

6. number of sides on a hexagon

7. Width of pencil: centimeter or meter

8. Length of notebook paper: foot or yard

9. 1/2 dozen

10. Number of years in a century

Grade 6

836 to the nearest ten?

2. What number is 3 tenths less than 1?

3. How much is 6 dimes, 3 nickels, and 1 quarter?

4. How many inches are in 4 feet?

5. How many cups are in a quart?

6. Nine less than what number is 6?

7. The sum of what number and 14 is equal to 21?

8. The product of 4 and 12 is divided by some number to

get an answer of 3. What is the number?

9. If 2/5 of a pizza costs $4.00, how much will the whole pizza

cost?

10. Eighteen is equal to twice what number?

Source: NC Department of Public Instruction