Math Core

Unit 5 · Test

Unit 5 test: Adding and Subtracting Tens

15 questions. Answer them all, then submit to see your score. Solutions unlock after you submit.

This test covers 10 more and 10 less, adding tens, adding a two-digit and a one-digit number, and subtracting tens.

Question 1

What is 10 more than 47?

Type a number.

Question 2

What is 10 less than 32?

Type a number.

Question 3

What is 10 more than 89?

Question 4

Fill in the blank: 10 more than ___ is 70.

Type a number.

Question 5

What is 50 + 30?

Type a number.

Question 6

What is 29 + 40?

Type a number.

Question 7

Which one equals 90?

Question 8

Nora has 56 beads. She buys 3 packs with 10 beads in each pack. How many beads does she have now?

Type a number.

Question 9

What is 62 + 6?

Type a number.

Question 10

What is 34 + 8?

Type a number.

Question 11

What is 75 + 2?

Question 12

Leo has 45 cards. His friend gives him 8 more. How many cards does Leo have now?

Type a number.

Question 13

What is 60 − 20?

Type a number.

Question 14

Fill in the blank: 80 − ___ = 30.

Type a number.

Question 15

A shelf has 90 books. 70 books are checked out. How many books are still on the shelf?

Type a number.