Math CSA Q1 Review

Which show a correct count of the number shown by the blocks?

• 6 hundreds,

  5 tens, 7 ones

• 5 hundreds, 2 tens, 5 ones

• 4 hundreds, 12 tens, 5 ones

• 4 hundreds, 700 ones

Think of a number with 6 digits.

The tens place has a value of 0.

There are 2 ten thousands in this number.

The ones place has 8 ones

This number has 6 hundred thousands.

There are 0 hundreds.

The value of the digit in the thousands place is 1 thousand.

• 612,208

• 621,008

• 624,800

• 6,024,008

When rounded to the nearest ten, which of the following would round to 1,520?

• 1,524

• 1,525

• 1,622

• 1,625

Round 6,583 to the nearest thousand

Round 6,583 to the nearest hundred

Round 6,583 to the nearest ten

Order the number from greatest to least.

6,900 6,809 6,099

• 6,809

• 6,099

• 6,900

Chris used the fact 15 - 7 = 8.

Which of the following could be the fact Chris was trying to solve?

• 15 + 7 = 22

• 1 + 7 = 8

• 15 - 8 = 7

• 2 - 15 = 7

On Monday, the library checked out 271 books. On Tuesday, the library checked out 130 books. What is the best estimate for the number of books the library checked out on both days?

• 500

• 400

• 300

• 200

Jordan put 148 pebbles in his rock garden. Trey gave him some more pebbles. Now Jordan has 253 in his garden. How many pebbles did Trey give to Jordan?

• 105

• 115

• 301

• 391