To find the numbers represented by the base ten blocks, we need to count the "tens" (the long vertical rods) and the "ones" (the small individual cubes).
* Each
rod represents
10.
* Each
small cube represents
1.
Let's solve each problem step-by-step:
1.
* Count the rods: There is
1 rod. That equals 10.
* Count the cubes: There is
1 cube. That equals 1.
* Add them together: $10 + 1 = 11$.
2.
* Count the rods: There are
3 rods. That equals 30.
* Count the cubes: There are
5 cubes. That equals 5.
* Add them together: $30 + 5 = 35$.
3.
* Count the rods: There are
5 rods. That equals 50.
* Count the cubes: There are
4 cubes. That equals 4.
* Add them together: $50 + 4 = 54$.
4.
* Count the rods: There are
2 rods. That equals 20.
* Count the cubes: Let's count carefully. There are two columns of 4 cubes and one column of 3? No, looking closely at the group on the right:
* Top row: 1 cube
* Second row: 2 cubes
* Third row: 2 cubes
* Fourth row: 2 cubes
* Fifth row: 2 cubes
* Actually, let's just count them individually: 1, 2, 3, 4, 5, 6, 7, 8, 9. There are
9 cubes.
* Add them together: $20 + 9 = 29$.
5.
* Count the rods: There are
7 rods. That equals 70.
* Count the cubes: There is a column of 5 and two extra next to the bottom one. Let's count: 1, 2, 3, 4, 5, 6, 7. There are
7 cubes.
* Add them together: $70 + 7 = 77$.
6.
* Count the rods: There are
4 rods. That equals 40.
* Count the cubes: Let's count the group on the right.
* Left column of cubes: 5 cubes high.
* Right column of cubes: 3 cubes high (starting from the 3rd row down).
* Total cubes: $5 + 3 = 8$ cubes.
* Add them together: $40 + 8 = 48$.
Final Answer:
1. 11
2. 35
3. 54
4. 29
5. 77
6. 48
Parent Tip: Review the logic above to help your child master the concept of place value hundreds tens and ones worksheet.
