GRADE 6 MATHEMATICS TRAINING GROUND

Calculate. (a) 75 × 5 × 2 + 65

Mathematical Equivalence

ON

Answer explanation

First, calculate 75 × 5 = 375. Then, multiply by 2 to get 750. Finally, add 65: 750 + 65 = 815. The final answer is 815.

(b) 8 + (3 + 2) × 7

Mathematical Equivalence

ON

Answer explanation

First, solve the parentheses: 3 + 2 = 5. Then, multiply: 5 × 7 = 35. Finally, add: 8 + 35 = 43. The correct answer is 43.

Youssef folds a paper circle to make a new shape.

Write the length in cm of the diameter of the circle.

Mathematical Equivalence

ON

Answer explanation

The diameter of a circle is the distance across it through the center. Therefore, the length of the diameter is 10 cm.

Write 2.5 hours in minutes.

Mathematical Equivalence

ON

Answer explanation

To convert hours to minutes, multiply by 60. Therefore, 2.5 hours x 60 minutes/hour = 150 minutes. The correct answer is 150 minutes.

Complete the calculation.

Mathematical Equivalence

ON

Write down the lowest common multiple of 3 and 7.

Mathematical Equivalence

ON

Answer explanation

The lowest common multiple of 3 and 7 is 21, as it is the smallest number that both can divide evenly.

Write down the highest common factor of 4 and 6.

Mathematical Equivalence

ON

Answer explanation

The common factors of 4 and 6 are 1 and 2. The highest common factor of 4 and 6 is 2.

Here are two negative number: –25 and –10.

Add the two numbers. Write the answer.

Mathematical Equivalence

ON

Answer explanation

To add the two negative numbers -25 and -10, you combine their absolute values: 25 + 10 = 35. Since both numbers are negative, the result is -35.

Mathematical Equivalence

ON

Mathematical Equivalence

ON