math dictionary-1

what is the value of the 6 in 163 ?

• ones

• tens

• hundreds

• thousands

Which of these numbers is 'four hundred and four'

• 44

• 4004

• 440

• 404

Which of the digits in this number is the hundreds digit? 4852

Which three of these numbers have a 6 as the tens digit?

• 60

• 236

• 689

• 168

'equal' means:

• +

• =

• ÷

• x

equivalent means

• =

• ≠

• <

• <

Which statement is true?

• 7 tens and 5 units equals 705

• 7 hundreds and 5 units is equivalent 750

• 7 tens and 5 units is equivalent 750

• 7 tens and 5 units is equivalent to 75

An approximation is a rough answer we get by changing parts of a calculation to make it easier to do. For example, 52X19, we might do 50X20 to get an apprapproximationoximation. Which one is right?

• 11 x 37

  we might do : 10 x 40

• 19 x 40

  we might do 10 x 40

Answer explanation

An approximation is a rough answer obtained by changing parts of a calculation to make it easier. In this case, the correct approximation would be 10 x 40.

Which word means ' we add numbers together'

(more choices)

• total

• sum

• addition

• plus

• and

Which word also means 'addition'

• increasing

• total

• plus