1st Grade Counting to 120 Worksheet Solutions (PDF)
This numbers to 120 answers for 1st Grade covers counting to 120 (Common Core 1.NBT.A.1), with a free PDF to print.
This key gives all 20 answers with the counting steps. Charts, number lines and rods show how each answer was found. Count along with your child and fix any slips together.
Grade 1 · Common Core State Standards: 1.NBT.A.1
Numbers to 120 answers: exercises 1 to 10
Exercise 1 – Count on from 47
Say 48, 49, 50.
\(48, 49, 50\)
Exercise 2 – Blanks in a row
The row counts 61, 62, 63, then a blank, 65, 66, 67, then a blank, 69, 70.
\(64\) and \(68\)
Exercise 3 – Words to numeral
Seventy is 7 tens, and three more ones. The numeral is 73.
\(73\)
Exercise 4 – Past one hundred
One hundred is written 100. Six more makes 106.
\(106\)
Exercise 5 – Jersey number next door
One more means count forward: 118, then 119.
\(119\)
Exercise 6 – Between two numbers
Count: 98, 99, 100. The number in the middle is 99.
\(99\)
Exercise 7 – Count the cubes
Count the rods by tens: 10, 20. Then count on the single cubes: 21, 22, 23, 24, 25, 26.
\(26\)
Exercise 8 – Number line gap
The ticks go 98, 99, then the box, then 101. The box is 100.
\(100\)
Exercise 9 – Page before 100
One less means count back from 100. Say 99.
\(99\)
Exercise 10 – Missing boxes
After 36 comes 37. After 38 comes 39.
\(37\) and \(39\)
Exercises 11 and up
Exercise 11 – Numeral to word
Five tens is fifty. Two ones is two. Write fifty-two.
fifty-two
Exercise 12 – Write the counting
108, 109, 110, 111, 112.
\(108, 109, 110, 111, 112\)
Exercise 13 – Shaded box
Row 71 to 80 starts at 71: 71, 72, 73. The third box is shaded.
\(73\)
Exercise 14 – Column pattern
Every number in this column ends in 6. The next one is 46.
\(46\)
Exercise 15 – Count the rods
Rods: 10, 20, 30, 40, 50. Then singles: 51, 52, 53.
\(53\)
Exercise 16 – Marble jar
After 89 comes 90, then 91, then 92.
\(90, 91, 92\)
Exercise 17 – Locker numbers
One more than 119 is 120.
\(120\)
Exercise 18 – Hiking trail
97, 98, 99, 100, 101, 102, 103, 104. That is eight numbers.
\(97, 98, 99, 100, 101, 102, 103, 104\)
Exercise 19 – Skipped number
After 80 comes 81, then 82. She skipped 81.
\(81\)
Exercise 20 – Bead string
100, then 101, 102, 103.
\(103\) beads
Key facts behind this numbers to 120 answers
- You can start counting at any number, not only at 1.
- Each row of a number chart has ten numbers; a row ends in 0.
- After 99 comes 100 (one hundred); 120 is one hundred twenty.
- Numbers in the same column of the chart end with the same digit.
- A tall rod shows ten cubes, so count rods first and singles after.
How to use this numbers to 120 answers
Cover each solution, solve the exercise again, then uncover it and compare every line. If your answer differs, find the first step that changed and redo the exercise from there.
All Grade 1 chapters: Grade 1 math.
