Year 7 Shadow Baseline Revision

The number 3452 has 5 tens because the digit 5 is in the tens place, making it fifty. The other numbers do not have 5 in the tens place.

To work out 312 + 437, simply add the two numbers together: 312 + 437 = 749

To work out 965 - 423, subtract the ones column: 5 - 3 = 2. Then subtract the tens column: 6 - 2 = 4. Finally, subtract the hundreds column: 9 - 4 = 5. Therefore, 965 - 423 = 542.

To find the area of a rectangle, multiply the length by the width.

Round 640 to the nearest 100 gives 600, as it is closer to 600 than 700.

Round 8.5 to the nearest whole number results in 9 because 8.5 is closer to 9 than to 8.

To work out 98 ÷ 7, you simply divide 98 by 7. The result is 14.

To make the statements correct, we need to write '1 > -3' and '-6 < -4'. The correct answer is '1 > -3'.

To find the fraction of the shape that is shaded, count the number of shaded parts and divide by the total number of parts. In its simplest form, the fraction is the answer.

The correct choices are 17 and 5 because they are both prime numbers, which means they are only divisible by 1 and themselves.