Year8 Unit 1 Number 1 - prime factors, BIDMAS, indices, ind

4 x 2² - 1 x  3²

• 108
• 36
• 7
• 55

(4^{2 -} 6) - (2 X 5)

• 6

• 4

• 3

• 0

4 x 2² - 1 x  3²

• 108
• 36
• 7
• 55

 $\frac{6^2+13}{7}+5\times3-2$  

• 22

• 20

• 1.44

• 2.45

 $x-2\left(x+3x\right)+x^2$  

•  $-6x$  

•  $x^2-7x$  

•  $x^2-9x$  

•  $3x$  

 $\left(2^2+6\right)^2\times4-8$  

• 392

• -400

• 1592

• 248

Choose the correct equation

• $9+\left(2\times6\right)-3=15$

• $\left(9+2\right)\times\left(6-3\right)=15$

• $9+\left(2\times6-3\right)=15$

• $9+2\times\left(6-3\right)=15$

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

• Subtraction

• Division

• Multiplication

• Addition

Which is the prime factorization of 12? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2 x 2 x 3
• 1 x 2 x 2 x 3

Use a number tree to find the prime factorization of 105

• 7x5x3
• 11x5x3
• 7x5x2x1
• 7x5x3x2