Mental Math

What is the value of the digit 2 in 324 ?

• 2

• 20

• 200

80 and ______ make 87

• 7

• 700

• 70

Count these marbles and choose the correct number

• 223

• 232

• 322

169 _______ 196 (Put the correct sign < , > or = )

• <

• >

• =

A flower has 5 petals. How many petals does 3 flowers have? (5x3)

• 14

• 15

• 16

What is 10 less than 99?

• 89

• 88

• 98

Half of 20 = __________

• 5

• 10

• 15

How many sides does a pentagon has?

• 5

• 6

• 7

257= ___________________

• 2 hundreds 7 tens 5 ones

• 2 hundreds 0 tens 7 ones

• 2 hundreds 5 tens 7 ones

Write the number in words for 487

• four hundred and seventy eight

• four hundred and eighty seven

• eight hundred and seventy four