Number Writing 0-20 — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Sam wrote 5, 6, 7, 8. What number should Sam write next?
A) 9
B) 10
C) 11
D) 4
After eight comes nine, since the pattern adds one each step.
2. Lin counts: 10, 12, 14. What is the next number in the pattern?
A) 15
B) 16
C) 17
D) 18
The pattern jumps by two, so fourteen plus two equals sixteen.
3. There are 10 ducks and 5 more swim over. How many ducks now?
A) 13
B) 14
C) 15
D) 16
Ten ducks plus five more ducks equals fifteen ducks in total.
4. Ana has 18 stickers and gives 1 away. How many are left?
A) 19
B) 20
C) 16
D) 17
Eighteen minus one is seventeen because counting back by one gives seventeen.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Pattern: 2, 4, 6, 8.
Adding two to six gives eight, continuing the skip-counting pattern.
2. Pattern: 5, 10, 15.
Ten plus five equals fifteen, the next number when skip counting by fives.
3. Tom had 7 toys. He got 3 more. He has 10 toys.
Seven plus three equals ten when we count up three from seven.
4. There are 12 birds. 2 fly away. There are 10 birds left.
Twelve take away two leaves ten, since two less than twelve is ten.
5. Pattern: 16, 17, 18, 19.
Nineteen comes right after eighteen when we count forward by ones.