Are You Smarter Than a 5th Grader?

Math Review – Unit 2Whole Numbers

Begin

Challenge Question

Order the NumbersWritten Form

3 Numbers BetweenWrite the Value

Arrange the DigitsRounding

Estimate the SumEstimate the Difference

Expanded FormStandard Form

Write this Standard Form number in Expanded Form and in Words.

307 145

100 000 + 50 000 + 300 + 90 + 2

Write this Expanded Form number in Standard Form and in Words.

Write this number in Standard form and in Expanded Form

Two hundred twenty-three thousand fifty-nine.

Order these numbers from least to greatest.

254 201

241 387

314 701

291 000

Write the value of each of the underlined digits in this number.

602 483

Write 3 numbers that come between. . .

132 405 and 342 945.

Round this number three times (to the nearest thousand, hundred and ten).

5 648

Arrange the digits below to make a number that is greater than 50 000 but less than 90 000.

2, 5, 6, 3 & 9

Estimate the difference. Use any strategy you want.

24 543 – 6 879 =

Estimate the sum. Use any strategy you want.

56 980 + 4 695 =

Guess this number?

Challenge Question

The number is less than 300.

The digit in the ten’s place is the number of quarters in two dollars.

The number is odd.

One of the digits is congruent to 1.

The digit in the hundred’s place is twice the value of the digit in the one’s place.

The digital root of the number is two.