Common Core 1.OA.C.5 worksheet

Question 1

15 + 2 = ?

Answer 

Question 2

Count in twos. What is missing? 12, 14, __, 18, 20

Answer 

Question 3

Count in twos starting at 23: 23, 25, 27, __, 31

Answer 

Question 4

To work out 4 + 8, which is the quickest way to count on?

• A. Start at 8, count on 4
• B. Start at 4, count on 8

Question 5

Yuki worked out 15 − 2 by saying "15, 14" and answered 14. What is the right answer?

Answer 

Question 6

On the number line, how far is it from 5 to 19?

Answer 

Question 7

Which number would you say when counting in fives from 0?

• A. 47
• B. 46
• C. 49
• D. 45

Question 8

18 − 1 = ?

Answer 

Question 9

What number comes next? 9, 11, 13, 15, __

Answer 

Question 10

4 children hold up one hand each. Count in fives: how many fingers is that?

Answer 

Question 11

Work out 3 + 16. Hint: start with the bigger number.

Answer 

Question 12

Use the number line: 10 − 3 = ?

Answer 

Question 13

What number sentence does the jump show?

• A. 9 − 5 = 4
• B. 9 + 6 = 15
• C. 14 + 5 = 19
• D. 9 + 5 = 14

Question 14

Step 1 has 4 blocks, step 2 has 7, step 3 has 10. The pattern keeps growing the same way. How many blocks are in step 4?

Answer 

Question 15

Lucia has 4 coins of 5¢ in a money box. How much is that, in cents?

Answer 

Question 16

How much money is this, in cents? (Type the number only.)

Answer